Knowledge Base
Ontario HR Compliance
Plain-language notes on the Ontario employment-law landscape — what the rules are, where they come from, and when they last changed.
Employment Standards
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Accessibility in Performance Reviews, Promotions, and Redeployment
Under Ontario's accessibility rules, an employer that manages performance, develops or advances careers, or redeploys staff must factor in the accessibility needs and individual accommodation plans of employees with disabilities.
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Accessible Recruitment: Postings, Assessments, and Offers
Under the Integrated Accessibility Standards, every Ontario employer must tell applicants and the public that accommodation is available during hiring, offer it when someone is picked for a test or interview, and point successful applicants to its accommodation policies when it makes the offer.
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Documented Individual Accommodation Plans
Under Ontario's accessibility employment standard, most employers must have a written process for building documented accommodation plans for employees with disabilities; only small organizations are exempt.
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Emergency Response Plans for Employees with Disabilities
Under Ontario's accessibility rules, employers must give individualized emergency response information to an employee whose disability makes it necessary, once the employer knows accommodation is needed.
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Return-to-Work Process for Employees with Disabilities
Under Ontario's accessibility employment standard, most employers must build and write down a return-to-work process for staff coming back after a disability-related absence, and that process must lean on each person's individual accommodation plan.
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Telling Employees About Disability Supports and Accessible Formats
Under Ontario's accessibility rules, every employer must tell staff about its policies for accommodating employees with disabilities, and must work with an employee who asks for accessible formats or communication supports to get the job done.
General Requirements
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Accessibility Policies, Multi-Year Plans, and Procurement
Under the Integrated Accessibility Standards, all obligated organizations — government bodies, public-sector organizations, and any private organization with at least one Ontario employee that serves the public — must maintain written accessibility policies; those with 50 or more employees must also produce a documented multi-year plan; and the procurement rule applies only to government and the broader public sector.
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Self-Service Kiosks and Accessibility Training
Under the IASR's general requirements, public sector bodies must incorporate accessibility features into self-service kiosks they design, procure, or acquire, while large and small organizations must have regard to accessibility — a real but softer duty. Separately, every obligated organization must train employees, volunteers, and anyone else delivering services on its behalf on both the accessibility standards and the Human Rights Code as it applies to disability.
Customer Service
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Accessible Customer Service: Policies, Service Animals, and Training
Ontario providers of goods, services, or facilities must have accessible-service policies, let service animals and support persons in, train staff, and offer a feedback process.
Occupational Health & Safety Act (OHSA)
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Additional Incident Notices: When You Also Need an Engineer's Opinion
For certain construction, health-care and window-cleaning incidents, the report or notice you already owe under sections 51 to 53 of OHSA must be backed up by an engineer's written opinion on the cause, delivered within 14 days.
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Asbestos on Construction Projects and in Buildings: What O. Reg. 278/05 Covers
This OHSA regulation sets the rules for handling asbestos during construction, building repair and demolition, and requires building owners to track and manage known asbestos-containing material on their premises.
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Commencement and Administrative Provisions
The closing sections of O. Reg. 420/21 are housekeeping: one handles how it touches other legislation, and one sets when its rules take effect. They impose no separate duty on employers.
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Confined Spaces (O. Reg. 632/05): what it covers
If your workplace has a confined space that workers may enter, you must have a written program, a hazard assessment, and an entry plan in place before anyone goes in.
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Construction Projects (O. Reg. 213/91): What It Covers
O. Reg. 213/91 sets the detailed health-and-safety rules for construction projects in Ontario, covering how equipment such as elevating work platforms must be designed, maintained, operated, and recorded.
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Control of Exposure to Biological or Chemical Agents: what it covers
This OHSA regulation tells employers how to keep workers from being overexposed to hazardous biological or chemical agents in the air, and sets the rules for any respirators they hand out.
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Designated Substances: what the rule covers
Ontario's Designated Substances regulation under the OHSA prescribes eleven hazardous chemical agents and requires employers to control worker exposure to each one.
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Diving Operations: What the Regulation Covers
Ontario's Diving Operations regulation under the OHSA sets out safety requirements for paid underwater work and the surface-based support behind it, covering everyone from the diver in the water to the supervisory and hyperbaric crew above — but exempting recreational diving, snorkel-only operations, and genuinely voluntary rescues of people facing imminent danger.
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Health Care and Residential Facilities (O. Reg. 67/93): What It Covers
O. Reg. 67/93 is the OHSA regulation that sets worker-safety standards for hospitals, labs, long-term care homes and similar care or residential facilities, and it governs over the industrial regulations where the two conflict in covered laundries.
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JHSC Exemption: When a Small Workplace Doesn't Need a Health and Safety Committee
Under O. Reg. 385/96, a workplace or construction project with a small enough headcount of ordinary workers is exempt from the OHSA requirement to establish a joint health and safety committee, with thresholds varying by whether the committee is a single-site or multi-site one.
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Keeping Records and Filing Notices Electronically
When you file a written notice or report about a workplace fatality, critical injury, occupational illness or other incident, you must keep a copy for at least three years, and you can satisfy the filing duty by submitting the Ontario government's online form.
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Mines and Mining Plants (Reg. 854): what it covers
Regulation 854 is the OHSA sector regulation for Ontario mines, mining plants and mine development, setting detailed health and safety rules for surface and underground operations.
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Needle Safety (O. Reg. 474/07): what it covers
Under this OHSA regulation, employers must give workers a safety-engineered hollow-bore needle suited to the job, and workers must use it, in health-care settings and any workplace where the needle is used on a person.
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Oil and Gas — Offshore (Reg. 855): What It Covers
This OHSA regulation sets safety rules for offshore oil and gas work done on or from a rig, including a minimum worker age of 18.
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Roll-Over Protective Structures: What It Covers
Under this OHSA regulation, certain self-propelled machines must be fitted with a roll-over protective structure and a seat belt, and operators have to wear the seat belt.
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Section 53 Incident Notices: What to Report and What Goes In Them
When certain serious incidents happen at a construction project, mine or mining plant, OHSA requires a written notice, and the regulation spells out the exact information that notice must contain.
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Teachers under OHSA: what Reg. 857 covers
Regulation 857 brings Ontario's Occupational Health and Safety Act to bear on teachers, threading it through the Education Act framework with three targeted adjustments: who qualifies as a supervisor, how joint committees satisfy the statute, and a carve-out from the work-refusal rules when a pupil faces imminent risk.
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What "Critically Injured" Means, and Where These Reporting Rules Apply
Ontario's OHSA notice-and-report regulation defines a "critical injury" by a set list of serious harms and applies to every workplace covered by the Act, with a narrow carve-out for highway motor-vehicle collisions.
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What Goes in a Workplace Death, Injury or Illness Report
When a worker is killed, critically injured, otherwise disabled, or develops an occupational illness, O. Reg. 420/21 prescribes a specific set of details that must appear in every written report or notice the employer files.
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Written Report for a Workplace Fatality or Critical Injury
When a worker is killed or critically injured at a workplace from any cause, the employer must file a written report covering the specific details the regulation prescribes.
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X-Ray Safety (Reg. 861): What It Covers
This OHSA regulation governs workplaces with X-ray equipment, applying to the owner, employer, supervisor and workers, and it flatly bars using an X-ray source to irradiate a worker.
Human Rights Code
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Age Discrimination and Mandatory Retirement at 65
Ontario's Human Rights Code protects workers from age discrimination, and one narrow rule says it isn't a breach to treat people aged 65 or older more favourably — but that rule does not let you force anyone to retire at 65.
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Benefit and Pension Plans: When Distinctions Are Allowed
The Code extends the right to equal treatment in employment to benefit, pension, superannuation and group insurance plans, but carves out certain plan designs that comply with the Employment Standards Act or meet specific disability-related conditions.
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Bona Fide Occupational Requirements and Special-Employment Exceptions
The Code's right to equal treatment in employment is not breached where a protected ground is a genuine, reasonable requirement of the job, or where a listed special-employment situation applies.
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Civil Remedies, Penalties, and Liability for Your People's Acts
A court hearing a civil case can order monetary compensation or restitution for a Part I rights breach, specific contraventions carry fines up to $25,000, what your officers and staff do at work is attributed to the organization, and the Code itself binds the Crown and overrides conflicting legislation.
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Constructive Discrimination: Neutral Rules That Hurt a Protected Group
A workplace rule that is neutral on its face can still break the Human Rights Code if it excludes, restricts, or gives a preference to a group defined by a prohibited ground, unless the rule is reasonable and bona fide in the circumstances — which requires showing the affected group cannot be accommodated without undue hardship.
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Disability: The Duty to Accommodate and Undue Hardship
Under the Human Rights Code, you must accommodate an employee's disability up to the point of undue hardship, measured by cost, outside funding, and health and safety, before you can treat them as unable to do the job.
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Discrimination by Association and Announced Intention to Discriminate
The Code protects people from discrimination based on their connection to someone covered by a prohibited ground, and it bars public notices or signs that signal an intent to discriminate.
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Equal Treatment and Freedom from Harassment in Employment
Ontario's Human Rights Code gives every person the right to equal treatment in employment, and every employee the right to a workplace free of harassment, with no discrimination based on a list of protected grounds.
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Equal Treatment in Unions and Professional Associations
Ontario's Human Rights Code gives everyone the right to equal treatment in joining a trade union, trade or occupational association, or self-governing profession, free of discrimination on the Code's protected grounds.
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Filing a Human Rights Application: The Tribunal Process and Remedies
Someone who believes a Part I right was infringed applies directly to the Human Rights Tribunal of Ontario, normally within one year of the incident, and the Tribunal can order money for the loss, including for injury to dignity, plus orders to fix future practices.
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Hiring: Job Ads, Application Forms, and Interview Questions
Ontario's Human Rights Code bars job ads, application forms, and interview questions from classifying or filtering people — directly or indirectly — by a protected ground of discrimination.
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No Reprisals Under the Human Rights Code
The Human Rights Code gives every person the right to assert or enforce their Code rights, start or participate in a Code proceeding, or refuse to infringe another person's rights — without facing a reprisal or even a threat of one.
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Non-Discrimination as a Built-In Term of Government Contracts
Every contract, subcontract, grant, loan, or guarantee involving the Ontario government carries an automatic, deemed condition that no one's equal-treatment-in-employment rights will be infringed while the work is done — and breaking it can cost you the deal.
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Protected Grounds and Key Definitions
The Human Rights Code defines the terms that decide who and what is protected at work, and several of those definitions are broader than employers expect.
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Special Programs and Affirmative Action
A "special program" set up to relieve disadvantage or help a disadvantaged group reach equal opportunity does not breach the Code, even though it favours one group over another.
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Workplace Harassment and Sexual Solicitation by Employers
Every employee has a right to be free from workplace harassment because of sex, sexual orientation, gender identity or gender expression, and from sexual advances or reprisals by anyone who controls a benefit or advancement.
Accessibility reporting
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AODA Accessibility Compliance Report: the Three-Year Filing Cycle
Businesses and non-profits with 20 or more employees must file an AODA accessibility compliance report on a fixed three-year cycle, not annually. The most recent business deadline was December 31, 2023 and the next falls on December 31, 2026, but these dates can be reset, so confirm the current cycle and deadline at the named ontario.ca page.
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AODA: Filing, Certifying and Director Review of Accessibility Reports
Organizations covered by an accessibility standard must file an accessibility report with a director, certify that its information is complete and accurate, and make the report public; a director can review the report and ask for further information.
Compliance and Enforcement
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AODA Accessibility Reports and Administrative Penalties
Most organizations must file periodic accessibility reports, and a director can impose administrative penalties for contraventions, set by a grid that weighs how serious the breach is and how often you have offended before.
Enforcement — orders and penalties
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AODA Director's Orders and Administrative Penalties
Under the AODA, a director can order you to comply with an accessibility standard or file a report, and can order you to pay an administrative penalty for falling short — but only after giving you notice and a chance to respond.
Information and Communications
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AODA Information and Communications: Accessible Formats, Feedback, Websites, and Educational Resources
Under the Integrated Accessibility Standards Regulation, obligated organizations must give people with disabilities accessible formats and communication supports on request, keep feedback channels accessible, meet WCAG 2.0 website standards, and — if they are educational institutions or libraries — make learning materials and collections accessible.
Enforcement — inspections
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AODA Inspections: Inspector Powers and Search Warrants
Under the AODA, appointed inspectors may enter your workplace without a warrant during business hours to check compliance, while a justice of the peace can issue a search warrant to enter places (including dwellings) where there is reasonable ground to believe a contravention exists.
General, offences and commencement
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AODA Offences, Penalties and the Rules That Frame Them
The AODA makes it an offence to give false information, ignore an order, or punish someone for raising the Act, with fines up to $50,000 a day for individuals and $100,000 a day for corporations, plus a personal duty on directors and officers to prevent it.
Dispute resolution
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AODA: Appealing a Director's Order to the Tribunal
If a director issues an order against you under the AODA, you have 15 days to appeal it to a designated tribunal, which can confirm, change, or cancel the order and may offer mediation.
Administrative / Definitions
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Basic Health and Safety Awareness Training for Workers
Under O. Reg. 297/13, every Ontario employer must make sure each worker completes a basic occupational health and safety awareness training program as soon as practicable, covering a fixed list of required topics.
Basic Occupational Health and Safety Awareness Training
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Basic OHS Awareness Training for Supervisors
An Ontario employer must ensure any supervisor completes a basic OHS awareness training program within one week of starting supervisory work; the only exception is if the supervisor provides proof of prior completion and the employer verifies that the earlier training covered all the required topics.
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Keeping Records of Basic OHS Awareness Training
Employers must maintain records of the basic OHS awareness training their workers and supervisors complete, keep a separate record of anyone covered by the transitional exemption, and provide written proof of completion or exemption on request — including for up to six months after someone stops working for them.
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When You Can Skip Basic OHS Awareness Training (Exemptions)
An employer doesn't have to re-run basic health and safety awareness training for a supervisor who already completed an equivalent program before the regulation took effect, and a worker or supervisor can carry a valid exemption to a new employer with proof.
Benefit Plans
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Benefit Plans Regulation: Commencement and Transitional Provisions
The final two sections of the Benefit Plans Regulation are housekeeping: one repeals the older benefit-plan rules it replaces, and the other sets when the regulation takes effect. They carry no substantive obligations.
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Benefit Plans Regulation: the Definitions That Decide Who Is Covered
Ontario's Benefit Plans regulation under the ESA opens with a long definitions section, and those defined terms — what counts as a plan, who counts as a dependant, and how 'age' and 'sex' are read — control how the equal-treatment rules apply.
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Benefit Plans: Old Exclusions Ended, and No Cutting Benefits to Comply
An employee shut out of a benefit plan before November 1, 1975 became entitled to join on that date, and an employer cannot bring a health benefit plan into compliance by trimming its own contributions or the benefits paid out.
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Disability Benefit Plans: When Age or Sex Differences Are Allowed
The ESA generally bars age- and sex-based differences in benefit plans, but for short- and long-term disability plans it permits actuarially based differences in contribution rates in two specific situations.
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Health Benefit Plans: When Differences by Sex or Marital Status Are Allowed
The ESA generally bans benefit-plan differences based on sex or marital status, but the Benefit Plans regulation carves out narrow exceptions for health plans — mostly tied to actuarial costing or to covering an employee's spouse and dependent children.
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Keeping Benefits Going During a Protected Leave
A benefit plan can't cut off an employee who is on a statutory (or longer agreed) leave from continuing to participate, if the same plan lets employees on other kinds of leave keep participating.
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Life Insurance Plans: When Sex, Marital Status, and Age Differences Are Allowed
The ESA generally bars benefit plans from treating employees differently based on age, sex, or marital status, but O. Reg. 286/01 carves out narrow exceptions for life insurance plans where the difference rests on actuarial cost or on spousal survivor benefits.
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Pension Plans: When Differentiation by Sex, Marital Status, or Age Is Allowed
The ESA generally bars benefit-plan differentiation, but Reg. 286/01 carves out specific pension-plan exceptions for sex, marital status, and age — most tied to an actuarial basis, compliance with the Pension Benefits Act, or historical grandfathering with defined limits.
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Protected Pension Dates in Older Plans
Where an old pension plan pushed back a group's normal pensionable date only to comply with the law, those employees keep the right to retire on the earlier date the plan set before the change.
Employment Standards Act (ESA)
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Building Services Providers: What the Rule Covers
This regulation carves out specific categories of workers that an incoming building services provider does NOT need to bring on — meaning the new provider owes those workers no ESA termination or severance. Everyone else generally carries over with their full service history intact.
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IDEL: Cut-Hours Complaints Treated as Never Filed
During the COVID-19 period, an ESA complaint claiming that a pandemic-related cut to an employee's hours or wages amounted to termination or severance is deemed never to have been filed.
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IDEL: Cutting Hours or Pay Wasn't a "Layoff"
During the COVID-19 period, when an employer temporarily cut an employee's hours, wages, or both for reasons tied to the designated infectious disease, that change did not count as a layoff under the ESA's termination and severance rules.
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IDEL: Cutting Hours or Wages Isn't Constructive Dismissal
Under O. Reg. 228/20, a temporary cut to an employee's hours or wages for reasons related to COVID-19 during the COVID-19 period does not count as constructive dismissal under the ESA.
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IDEL: How the COVID-19 Rules Applied to Temp Agency Assignment Employees
The Infectious Disease Emergency Leave regulation also covered temporary help agency assignment employees, applying the same hours-and-wages and layoff-protection rules to them with whatever adjustments their situation required.
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IDEL: Reduced Hours Became Deemed Leave — And When It Didn't
During the COVID-19 period, an employee whose hours were temporarily reduced or cut to zero by the employer for pandemic-related reasons was automatically treated as being on Infectious Disease Emergency Leave, backdated to March 1, 2020 — unless the employment had been terminated, severed, or the employee had already received written notice of termination.
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IDEL: When the Leave Starts and Which Reasons Count
Infectious Disease Emergency Leave for COVID-19 reasons is backdated to specific start dates, and the temporary paid portion of the leave ended on March 31, 2023.
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Infectious Disease Emergency Leave: Commencement and Transitional Dates
O. Reg. 228/20 set out when Infectious Disease Emergency Leave (IDEL) took effect and backdated the various reasons for leave to specific deemed start dates, with paid COVID-19 leave ending March 31, 2023.
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Infectious Disease Emergency Leave: which diseases count, and the COVID-19 window
The regulation behind Infectious Disease Emergency Leave designates novel-coronavirus diseases (including SARS, MERS and COVID-19) as the "infectious diseases" that can trigger the leave, and ties one of the COVID-19 reasons to a fixed window that ran from March 1, 2020 to July 30, 2022.
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Reciprocal Enforcement of Orders: what it covers
O. Reg. 289/01 s. 2 lists every Canadian province and territory whose employment-standards orders Ontario will help enforce (and vice versa), and names the specific authority in each place Ontario deals with.
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Terms and Conditions in Defined Industries: what it covers
O. Reg. 502/06 is a narrow ESA regulation for Ontario's automobile sector that lets an employer and employee agree to a daily rest rule of at least 11 hours free from work, with one shorter day a week.
JHSC Certification Training
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Certification Training for Committee Members — Who Pays and What Counts
An employer must provide the training a joint health and safety committee member needs to become certified, and "carrying out" that training includes paying for it; the training has to match the standards the Chief Prevention Officer sets.
Sector-Specific Rules
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Commission Auto Sales: Minimum Wage Floor and Quarterly Reconciliation
If you pay car salespeople partly or fully on commission, every pay period must clear at least what they'd have earned at minimum wage, and you reconcile pay against earnings each calendar quarter without carrying a shortfall forward.
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Domestic Workers and Residential Care Workers: Special Pay Rules
Domestic workers must get written terms and only limited credit toward minimum wage for room and board, while residential care workers have a guaranteed day-rate, up to three extra hours at regular pay, and a 36-hour weekly rest requirement.
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Homemakers and Homeworkers: Special ESA Rules
Ontario's exemption regulation sets a 12-hour daily cap on paid minimum-wage hours for homemakers (which lifts hours, overtime and hours-records rules), and requires employers to give homeworkers written notice of the work and how they will be paid.
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Overtime in Construction and Transport: The Higher Weekly Thresholds
Road building, sewer and watermain work, local cartage and highway transport each get a higher overtime threshold than the ESA's standard 44 hours, ranging from 50 to 60 hours a week depending on the job.
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Overtime Rules for Hospitality and Fresh Fruit/Vegetable Processing Workers
Hospitality workers who work 24 weeks or less in a calendar year and receive room and board, and seasonal workers directly involved in fresh fruit or vegetable processing by the canner or processor, earn overtime only after 50 hours a week instead of the standard 44.
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Residential Care Workers and Harvest Workers: Special ESA Rules
Residential care workers are exempt from the ESA hours-of-work and overtime rules, while employees harvesting fruit, vegetables or tobacco get their own special-rule package for minimum wage, the three-hour rule, vacation and public holidays.
Pay Equity
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Comparing Job Classes: Job-to-Job and Proportional Value
Ontario's Pay Equity Act says you achieve pay equity by comparing each female job class to male job classes using a gender-neutral system — first the job-to-job method, and the proportional value method when no straight comparison exists.
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Enforcement, Review Officers and the Pay Equity Commission
Ontario's Pay Equity Act is enforced by the Pay Equity Office through review officers and decided by the Pay Equity Hearings Tribunal, not the courts, with quasi-criminal fines for specific statutory breaches.
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Job Classes and Gender Predominance Under the Pay Equity Act
Pay equity work starts by sorting positions into job classes, then labelling each class male or female by gender: 60 per cent or more female makes a female class, 70 per cent or more male makes a male class.
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Keeping a Pay Equity Plan Current When Things Change
Pay equity is not a one-time exercise: every employer must keep its compensation practices in line, and when circumstances change, the pay equity plan can be amended through a defined process — but adjustments to any position can never be cut below what the old plan would have paid.
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Posting Your Pay Equity Plan and Making the Adjustments
Under Ontario's Pay Equity Act, a covered employer must post its pay equity plan in the workplace, give employees a window to review and comment, and then make the wage adjustments the plan calls for on the timeline the Act sets.
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Preparing the Pay Equity Plan
A pay equity plan is the written document that shows how you'll bring female job classes up to fair pay, what it must contain, when the first raises land, and how fast the gap must close.
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The Employer's Duty to Achieve and Maintain Pay Equity
Every Ontario employer must set up and keep compensation practices that deliver pay equity in each of its establishments, and it cannot cut anyone's pay to get there.
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Who Pay Equity Covers, and What It Requires
Ontario's Pay Equity Act requires covered employers to redress systemic gender discrimination in pay by comparing female job classes to male ones and bringing female job rates up to match work of equal or comparable value.
Hiring and Recruitment
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Continuity of Employment on a Business Sale or New Building Services Provider
When a business changes hands, or a new building services contractor takes over, an employee carried onto the new payroll keeps their accumulated length of service under the ESA — unless the gap before the rehire is more than 13 weeks.
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Job Postings: Salary Ranges, AI Disclosure and the Canadian-Experience Ban
Ontario employers running publicly advertised job postings must disclose expected pay, state if AI screens applicants, say whether the role is a real vacancy, and drop any Canadian-experience requirement.
Payroll & remittances (CRA)
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CPP and CPP2 Contribution Rates, Maximums, and Exemption
The Canada Pension Plan contribution figures reset every January 1 and are announced the prior autumn; you update payroll for the new year's maximum pensionable earnings, basic exemption, contribution rate, the dollar maximums, and the separate CPP2 figures, almost every one of which goes stale the following January and must be re-verified at the CRA page.
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CRA Source-Deduction (Payroll) Remittances
Employers remit withheld CPP/CPP2, EI, and income tax to the CRA on a schedule set by their remitter type, which the CRA assigns from the Average Monthly Withholding Amount and notifies by mail. Confirm your own type and due dates in CRA My Business Account.
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EI Premium Rates and Maximums (Annual January 1 Reset)
Employment Insurance premium rates and the maximum insurable earnings reset every January 1. You update payroll for the new figures at the start of each year and confirm the current numbers on the CRA's EI page, because they change annually and can move in either direction.
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T4 and T4A Slips: Preparing, Distributing, and Filing
Each year you prepare T4 (and T4A where they apply) slips, give copies to your employees, and file the information return with the CRA. The deadline is the last day of February following the calendar year, and you confirm the exact current-year date with the CRA.
Design of Public Spaces
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Design of Public Spaces: Built Environment Accessibility
When a covered organization builds new or significantly redevelops outdoor public spaces it intends to maintain, the IASR sets accessibility rules for trails, beach routes, paths, parking, and service areas. Plain repairs and like-for-like maintenance don't trigger it.
Machine Guarding and Lockout
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Electrical Safety: Lockout, Live Work and Ground Fault Protection
Before anyone works on or near live exposed electrical parts in an industrial workplace, the power supply must be disconnected, locked out and tagged — with narrow exceptions — conductive tools must be kept clear of live conductors, and equipment must be grounded, certified and protected against ground faults.
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Locking Out Machines Before Cleaning, Repair or Maintenance
Under the Industrial Establishments regulation, all hazardous motion must stop and any part that could move afterward must be blocked before anyone cleans, oils, adjusts or repairs a machine; if restarting could hurt a worker, control switches must be locked out.
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Machine Guarding: Moving Parts, Nip Hazards and Emergency Stops
Ontario's Industrial Establishments regulation requires that any exposed moving part, in-running nip point, or material being processed that could injure a worker be guarded or shielded, and that power-driven machines carry an easy-to-reach, conspicuously identified emergency stop.
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Powder-Actuated Tools, Nail Guns and Chain Saws: Reg 851 Rules
Ontario's Industrial Establishments regulation sets strict design, guarding, handling and operator rules for explosive actuated fastening tools, hand-held nailing guns and chain saws.
Employer Obligations
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Electronic Monitoring Policy (25+ Employees)
An employer with 25 or more employees on January 1 must have a written policy on electronic monitoring in place by March 1 of that year, and give every employee a copy.
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Employer Record-Keeping Obligations
Ontario employers must keep detailed payroll, hours, and vacation records for each employee, retain most of them for three years (vacation records for five), and have everything ready for an inspector.
Employer Duties
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Employer Duties Under OHSA: The Core Obligations
Ontario's Occupational Health and Safety Act puts a layered set of safety duties on every employer, from a strict duty to provide and maintain prescribed equipment and protective gear, through information, supervision and a written health and safety policy, up to the open-ended catch-all requiring every reasonable precaution in the circumstances to protect workers.
Employer Health Tax
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Employer Health Tax: Annual Return, Exemption, and Instalments
Every Ontario employer with taxable Ontario remuneration files an annual Employer Health Tax return, due March 15 of the following year; employers over the instalment threshold also pay monthly. An exemption shelters a fixed amount of payroll, with no exemption once the employer or its associated group exceeds the upper payroll cap.
Foreign Nationals (Employment Protection)
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Enforcement: Officers, Orders, OLRB Review and Offences
The Employment Protection for Foreign Nationals Act is enforced by employment standards officers who issue orders and penalties, with review at the Ontario Labour Relations Board, plus quasi-criminal prosecution that can reach heavy fines and jail.
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Foreign Workers: Giving Information and Keeping Records
If you employ or recruit a foreign national in Ontario, you must deliver the government's rights documents up front, keep specific payment records for seven years, and know that a conviction under this Act can result in your name being made public.
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No Recruitment Fees or Cost Recovery for Foreign Nationals
Under Ontario's Employment Protection for Foreign Nationals Act, a recruiter cannot charge a foreign national — or any other person the regulations designate — fees for any service in connection with the employment, and an employer cannot claw back its hiring costs from the worker or other prescribed persons.
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No Reprisal Against Foreign Nationals
Under the Employment Protection for Foreign Nationals Act, an employer or recruiter cannot punish, threaten, or intimidate a foreign national for asserting rights under the Act, and the onus is on them to prove they didn't.
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Repayment of Fees and Costs, Including Director Liability
Under Ontario's Employment Protection for Foreign Nationals Act, the directors of an employer or recruiter can be held personally and jointly liable to repay fees and costs that were charged or recovered from a foreign national unlawfully.
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Who Is Protected: Foreign Nationals, Recruiters and Employers
Ontario's Employment Protection for Foreign Nationals Act covers foreign nationals working or job-hunting here under an immigration or temporary foreign worker program, plus the employers, recruiters, and their agents involved.
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You Can't Hold a Foreign Worker's Passport or Property
If you employ or recruit a foreign national in Ontario, you cannot take or keep property they're entitled to hold — and the law names passports and work permits specifically.
Equal Treatment
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Equal Pay for Equal Work and Benefit Plan Equality
Under the ESA you cannot pay one sex less than the other for substantially the same work in the same establishment, and benefit plans cannot discriminate based on age, sex, or marital status.
Enforcement and Remedies
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ESA Enforcement: Complaints, Orders, Reviews, Collection and Offences
An employee can file an ESA complaint within two years of the alleged breach; an officer can inspect without a warrant and order wages or compensation, orders can be reviewed by the Labour Board within 30 days and collected, and serious breaches are prosecuted as offences.
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Reprisal Prohibited: You Can't Punish Someone for Using Their ESA Rights
Employers (and anyone acting for them) cannot fire, threaten, intimidate, or otherwise penalize an employee for asserting or asking about rights under the Employment Standards Act, 2000 — and if it's challenged, the employer has to prove it didn't happen.
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When Directors Are Personally on the Hook for Unpaid Wages
Under the ESA, a corporation's directors are jointly and severally liable for up to six months' unpaid wages and up to 12 months' accrued vacation pay — meaning each director can be pursued individually for the full amount owed.
Buildings
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Exits, Hazardous Rooms and Fire Extinguishers
Industrial workplaces must comply with the Building Code for exits and structural matters, apply stricter two-exit and two-doorway rules to larger hazardous rooms, and carry over Fire Code obligations on extinguishers and keeping exit routes clear.
Experience Rating & Employer Incentives
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Experience Rating, Merit Rating, and Cost Transfer (NEER/CAD-7)
The WSIB can adjust your premiums up or down based on your claims record and safety performance, and it can shift or penalize costs in specific situations.
Leaves of Absence
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Family Responsibility, Bereavement, Domestic Violence and Other Short-Term Leaves
The ESA gives eligible employees a set of job-protected leaves with their own service requirements, day or week limits, and notice rules, ranging from a few days for a family emergency to up to 104 weeks when a child dies or goes missing.
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Job-Protected Leaves: Rights While Away, Reinstatement and Seniority
An ESA leave is job-protected: benefits and seniority keep accumulating while the employee is away, and when the leave ends the employer must reinstate them to their old job (or a comparable one) at no less than what they would have been earning.
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Medical, Caregiver, Critical Illness, Organ Donor and Sick Leaves
The ESA gives employees several unpaid, job-protected leaves to deal with serious illness, organ donation, and short-term sickness, each with its own length, eligibility, and certificate rules.
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Pregnancy, Parental and Placement-of-a-Child Leave
The ESA gives eligible employees job-protected, unpaid pregnancy leave (up to 17 weeks), parental leave (up to 61, 62, or 63 weeks depending on which other leave was taken), and a placement-of-a-child leave of up to 16 weeks shared across all employees for the same child in adoption or surrogacy situations.
First aid
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First Aid Requirements (Regulation 1101)
Every business covered by the WSIA must keep first aid kits and certified first-aiders on site, inspect the kits quarterly, keep certificates valid, and post the WSIB "In Case of Injury" poster (Form 82). WSIB administers these requirements under Regulation 1101.
Sector-Specific Requirements
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Foundry Safety: Molten Metal and Cupola Operations
Reg. 851 sets foundry-specific duties for handling molten material and running cupolas, including spillage controls, gangway and pouring-aisle widths, protective clothing, and strict cupola operating rules.
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Logging Operations: Training, Felling, Skidding and Hauling
If you run logging operations in Ontario, the Industrial Establishments regulation requires Ministry-approved training for cutters, skidder operators and machine operators, and sets strict rules for how trees are felled and how logs are skidded, loaded and hauled.
Transitional & Administrative
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Grandfathered Overtime Agreements and Old Long-Shift Arrangements
An overtime-averaging-style agreement made at hiring and approved by the Director can only be cancelled if both sides agree, and certain pre-2001 long-shift arrangements are still exempt from the standard daily hours cap.
Housekeeping and Working Surfaces
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Guardrails, Floor Openings, Walkways and Ladders
In an industrial workplace you must guard open edges and floor openings, build guardrails and ladders to set dimensions, and block anything elevated that a worker could pass under.
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Housekeeping, Working Surfaces and Traffic Control
Ontario's Industrial Establishments regulation requires floors and surfaces to be kept clear and non-slip, sets minimum widths for fixed walkways and stairs, and calls for warning signs and barriers where doors, machine clearances or traffic could put a worker at risk.
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Lighting and Flammable Liquid Storage
Industrial workplaces must add artificial light wherever daylight isn't enough to keep workers safe, and they must store and dispense flammable liquids in sealed, vented, ignition-free conditions set by the regulation.
Toxic Substances and Hazardous Materials
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Hazardous Materials, WHMIS and Safety Data Sheets
If hazardous materials are present in your workplace, the OHSA requires you to identify them in the prescribed manner, keep current safety data sheets available, and train workers who may be exposed — all before those materials are used, handled or stored.
Health Care & Medical Cooperation
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Health Care Coverage and the Duty to Cooperate
A worker injured on the job is entitled to whatever health care is necessary, appropriate and sufficient for the injury, paid for by the WSIB, and gets the first pick of health professional; in return, the worker must cooperate with treatment and any required examinations, and employers carry their own duties around first-trip transportation, confidentiality, and damaged assistive devices.
Hours of Work
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Hours of Work: Daily and Weekly Limits, Rest and Eating Periods
Ontario caps work at 8 hours a day and 48 hours a week (longer only by written agreement), guarantees daily and weekly rest, and requires a meal break every 5 hours.
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Overtime Pay: The 44-Hour Threshold, Calculation and Averaging Agreements
Under the ESA, most employees must be paid at least one and one-half times their regular rate for every hour worked beyond 44 hours in a work week.
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Written Policy on Disconnecting from Work (25+ Employees)
If you employ 25 or more people on January 1 of a year, the ESA requires you to have a written policy on disconnecting from work in place before March 1 of that year, and to give a copy to every employee.
Working-at-Heights Training
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How Long Working-at-Heights Training Stays Valid
Under O. Reg. 297/13, an approved working-at-heights training program is valid for three years from the date a worker successfully completes it, after which the training must be taken again.
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Working-at-Heights Training: Who Must Be Trained and on What
Any worker who may use a fall-protection method listed in the regulation must have completed an approved working-at-heights training program whose validity period has not expired — the employer is responsible for making that happen.
Accessibility standards
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How Ontario's Accessibility Standards Are Made
Accessibility standards under the AODA are created by Cabinet regulation, but each one is built first by a standards development committee that drafts the rules, posts them for public comment, and revisits them at least every five years.
Termination & severance
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How to Count an Employee's Period of Employment for Termination
An employee's period of employment runs from their most recent start date to the day notice is given (or, if no proper notice is given, to the termination date), and two stints less than 13 weeks apart get added together as one.
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Mass termination: notice for 50 or more employees
When 50 or more employees at one establishment are let go in the same four-week period, longer group notice periods apply — and those notices are legally void until the Director of Employment Standards actually receives the required filing.
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Notice period mechanics: seniority bumping, temporary work, and vacation
Reg. 288/01 sets out three practical wrinkles in how termination notice runs: a posted notice can serve as notice to a bumped employee, up to 13 weeks of temporary work can follow the notice date, and vacation time can't be counted as notice unless the employee agrees after the fact.
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What "construction employee" means under O. Reg. 288/01
The definitions section of O. Reg. 288/01 borrows its meaning of "construction employee" straight from O. Reg. 285/01, so the two regulations stay in step.
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Who Gets No ESA Termination Notice or Pay
Ontario's termination regulation lists specific categories of employees who are not entitled to statutory notice of termination or termination pay under the ESA, including fixed-term hires, those dismissed for serious wilful misconduct, and several others.
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Who's left out of ESA severance pay
Even when an employee would otherwise qualify for ESA severance pay, the regulation carves out several categories of worker and situation that get nothing.
Ventilation and Industrial Hygiene
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Industrial Hygiene: Hazardous Agent Exposure, Assessment and Training
Ontario's Industrial Establishments regulation requires that workers who may encounter hazardous biological, chemical or physical agents be trained before exposure, backed by on-site emergency equipment, safe drinking water, and mechanical ventilation wherever atmospheric oxygen falls below 19.5 per cent.
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Piping Labels, Explosion Hazards and Dust Control
In industrial workplaces, hazardous piping must be clearly marked, processes that can throw off explosive gas or dust must be contained or vented, and fine combustible dust collectors face strict siting rules.
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Ventilation, Replacement Air and Workplace Temperature
Industrial workplaces must be ventilated well enough that the air doesn't put workers' health or safety at risk, fresh air must replace air that's pulled out, and an enclosed workplace generally has to be kept at no less than 18°C.
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Welfare Facilities: Showers, Lockers, First-Aid Rooms and Lunchrooms
In an industrial workplace, the Industrial Establishments regulation sets out when you must provide proper showers, change lockers, a rest area and a place to eat — and the worker headcounts and hazards that trigger each one.
Enforcement
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Inspector Powers, Compliance Orders and Workplace Entry
Under the OHSA, a Ministry inspector can enter most workplaces at any time without a warrant or notice, demand records and tests, and issue binding orders, including stop-work orders, when they find a contravention.
Internal Responsibility System
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JHSCs and Health and Safety Representatives: Who You Need and What They Do
Workplaces with 20 or more regular workers must run a joint health and safety committee; smaller ones where the headcount regularly tops five need at least one worker-selected health and safety representative, and both have rights to inspect, recommend, and get a written answer.
Awareness and Working-at-Heights Training Records
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Keeping Records of Mandatory Safety Training
Under O. Reg. 297/13, an employer must keep a record of the training the regulation requires, and must show it to a Ministry inspector when asked.
ESA Exemptions — General
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Leaves of Absence: The Home-Care Assignment-Employee Carve-Out
Part XVIII.1 of the ESA does not apply to assignment employees providing professional, personal support, homemaking, or care co-ordination services, where the assignment runs under a contract between a Service Organization and either the worker directly or the worker's employer.
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Who's Exempt from Minimum Wage, Hours, Overtime, Holidays and Vacation
A defined list of occupations — certain professionals, some farm workers, and away-from-office commission salespeople — is exempt from the ESA's rules on hours of work, eating periods, overtime, public holidays, minimum wage and vacation pay.
Material Handling
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Lifting Devices, Cranes and Mobile Equipment
Under Ontario's Industrial Establishments regulation, lifting devices, cranes and mobile equipment must be sound, marked with their rated load, inspected, and run only by competent operators — and never loaded past their rated capacity.
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Material Handling, Storage and Stacking
In an industrial workplace, materials must be lifted, moved and stored so they can't tip, fall or be pulled out in a way that hurts a worker, and certain items (cylindrical loads, drums, gas cylinders, bulk bins) have their own specific stacking and entry rules.
Insured Payments — Benefits Overview
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Loss-of-Earnings Benefits — What the WSIB Pays an Injured Worker
When a work injury costs a worker income, the WSIB pays loss-of-earnings benefits — generally 85% of the gap between their net pre-injury pay and what they earn or could earn afterward — and reviews those payments as the worker recovers.
General
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Minimum Age to Work in an Industrial Establishment
Ontario's Industrial Establishments regulation sets minimum ages for working in (or being present at) an industrial establishment: 16 for logging, 15 for a factory, and 14 for other workplaces.
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Reg. 851: Who It Covers, Key Terms, and How to Vary a Rule
The Industrial Establishments regulation under the OHSA applies to every industrial establishment in Ontario, and an employer, owner or constructor may depart from one of its requirements only if the substitute is at least as protective and proper written notice is given.
Wages and Pay
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Minimum Wage and the Three-Hour Rule
Ontario employers must pay at least the minimum wage, and when someone who normally works more than three hours a day shows up but gets sent home early, they must usually be paid for three hours.
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Ontario Minimum Wage: Current Rates
Ontario's minimum wage resets every October 1, indexed to the Ontario Consumer Price Index, with the confirmed new rates published by April 1. As of October 1, 2025 the general rate is $17.60/hour; from October 1, 2026 it rises to $17.95/hour. Confirm the live figures on the ontario.ca minimum-wage page before you rely on them.
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Paying Wages: Pay Days, Pay Statements, Deductions and Priority
You must set a regular pay period and pay day and pay all earned wages by that day, give each employee a written pay statement, and only deduct from wages where the law or the employee's written authorization allows it.
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Tips and Gratuities: What Employers Can and Can't Touch
Under the ESA, tips belong to your employees; you generally can't withhold them or take a cut, and tip pooling is allowed only on narrow terms.
Minimum Wage
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Minimum Wage: Exemptions and Special Rules
Certain roles are carved out of the ESA's hours-of-work rules entirely; room and board can count toward minimum wage within set dollar limits; and wilderness guides have their own indexed day-rate minimum.
Municipal obligations
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Municipal Accessibility Advisory Committees
Under the AODA, any Ontario municipality with a population of at least 10,000 must set up an accessibility advisory committee, with people with disabilities making up most of its members.
Reprisal Protection
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No Punishing Workers for Using Their Health-and-Safety Rights
Under the Occupational Health and Safety Act, an employer cannot fire, discipline, suspend, penalize, threaten, intimidate, or coerce a worker because the worker followed the Act or its regulations, sought their enforcement, or gave evidence in a related proceeding or Coroners Act inquest.
Termination and Severance
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Non-Compete Clauses Are Banned
Under the ESA, an employer cannot enter into a non-compete agreement with an employee, and any such clause is void, with narrow exceptions for the sale of a business and for top executives.
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Severance Pay: Entitlement, Calculation and Payment by Instalments
Under the ESA, an employee with five or more years of service whose employment is severed may be owed statutory severance pay — up to 26 weeks' regular wages — but only where the employer's payroll hits $2.5 million or a large closure occurs.
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Termination Notice, Pay in Lieu and Mass Terminations
Under the ESA, an employee with three or more months of continuous service must get written notice of termination, or pay in lieu, scaled by length of service up to a maximum of eight weeks; larger terminations of 50 or more people at one establishment trigger added notice and reporting rules.
Other Duty-Holders
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OHSA Duties: Constructors, Owners, Suppliers and Officers
The Occupational Health and Safety Act puts safety duties on more than just employers — constructors, project and workplace owners, logging licensees, equipment suppliers, and the directors and officers of a corporation each carry their own legal responsibilities.
Offences and Penalties
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OHSA Offences, Penalties and Administrative Penalties
Violating the OHSA, its regulations, or an inspector's, Director's or Minister's order is an offence carrying fines up to $2 million for corporations and up to $500,000 (or 12 months jail) for individuals; inspectors can also issue an administrative penalty on the spot without going through a prosecution.
Transitional & Uninsured Employment
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Old Injuries and Uninsured Work: When the WSIA Lets Workers Sue
Injuries before January 1, 1998 are still handled under the old Workers' Compensation Act, and workers in uninsured employment keep the right to sue their employer — and in some cases the site owner or contractor — for a workplace injury.
Personal Protective Equipment
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PPE in Industrial Workplaces: Head, Eye, Foot, Skin and Fall Protection
In an industrial workplace, workers exposed to a hazard must wear protective gear suited to that hazard, and employers must instruct and train them on its care and use before they wear it.
Administration
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Prevention Council and Chief Prevention Officer
Ontario's OHSA sets up a Prevention Council to advise the Minister and a Chief Prevention Officer to run the province's health-and-safety strategy, and it lets the Ministry fund and oversee designated safety organizations.
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Who Runs the OHSA: Inspectors, Training Standards and Certification
The Occupational Health and Safety Act is administered by the Minister of Labour, enforced by appointed inspectors, and backed by training standards, approvals and certifications set by the Chief Prevention Officer.
Public Holidays
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Public Holidays: Pay, Working the Day, and Premium Pay
Most Ontario employees get the public holiday off with public holiday pay; those who work the day either get a substitute day off plus regular wages, or public holiday pay plus time-and-a-half premium pay.
Injury Reporting & Early Obligations
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Reporting a Workplace Injury and Paying Wages While the Claim Is Decided
When a worker is hurt on the job, the employer must report the accident to the WSIB within three days, keep paying for the day of injury, and keep benefit contributions going for up to a year while the claim is sorted out.
Notices and Reporting
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Reporting Deaths, Injuries and Other Workplace Incidents
Under Ontario's health and safety law, employers must notify an inspector and others when someone is killed or critically injured, and give written notice within set deadlines for lesser injuries, occupational illnesses and certain site incidents.
Employer Registration & Classification
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Schedule 1 vs Schedule 2 Employers: Registering with the WSIB
Both Schedule 1 and Schedule 2 employers must register with the WSIB within 10 days of becoming one; Schedule 1 employers pay into a collective insurance pool, while Schedule 2 employers self-insure and reimburse the Board for their own claims.
Schedule 2 Self-Insurance
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Schedule 2 Employers: What Self-Insurance Costs You
Schedule 2 employers carry their own workplace-injury liability rather than paying into the collective fund, but they still pay the WSIB for benefits, administration, and safeguards the Board can impose.
Notice & Information Obligations
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Telling New Hires the Basics: Written Employment Information
Ontario employers with 25 or more employees must give each new hire a short written package of job basics — who the employer is, where and when they will work, and what they will be paid — before the first day, or promptly afterward if that is not practicable.
Temporary Help Agencies
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Temporary Help Agencies and Recruiters: Licensing, Assignment-Employee Rights, and Joint Liability
In Ontario, temporary help agencies and recruiters must hold a licence, agencies cannot charge most fees to assignment employees, and an agency and its client share joint and several liability for unpaid wages in a given pay period.
Return to Work — Cooperation
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The Duty to Cooperate in Return to Work (WSIB)
When a worker is injured on the job, the Workplace Safety and Insurance Act makes both the employer and the worker legally responsible for cooperating in an early and safe return to work.
Compliance obligation
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The Duty to Meet an Accessibility Standard — and Meet It on Time
If an accessibility standard applies to you, the AODA requires you to comply with it, and to do so within the deadline that standard itself sets.
Labour Relations
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The Labour Relations Act, 1995: What It Covers
Ontario's Labour Relations Act, 1995 is the rulebook for unionized private-sector workplaces: it sets out how a union gets certified, the duty to bargain in good faith, and what employers may and may not do around organizing, strikes and lock-outs.
Right to Refuse
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The Right to Refuse Unsafe Work: How It Works
Under Ontario's Health and Safety Act a worker who has reason to believe equipment, the physical condition of the workplace, or workplace violence is likely to endanger them (or, for equipment, another worker) may refuse the work, and a set step-by-step investigation procedure kicks in before they can be sent back.
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Work Stoppage Orders: The Bilateral and Unilateral Routes
Ontario's Health and Safety Act lets specially trained "certified members" of the joint committee order work or equipment stopped when dangerous circumstances exist, normally by a two-person bilateral route, but a single member can order the stop under the unilateral route once the Labour Board has declared an employer onto it or the employer opts in.
Right-to-Sue Bar
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The WSIB Bar on Suing for a Workplace Injury
For injuries and occupational diseases covered by the WSIA, WSIB benefits replace the right to sue: a Schedule 1 worker generally cannot sue their employer, its officers, or covered co-workers, and those parties cannot sue each other.
Insurance Fund
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The WSIB Insurance Fund: Sufficiency, Reserves, and Surplus
The WSIB must keep its insurance fund large enough to cover today's benefits and tomorrow's; the Act spells out how reserves are built, how surpluses get distributed back to Schedule 1 employers, and how shortfalls are recovered through additional premiums.
Transportation
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Transportation Standards: Orientation and Key Obligations
Ontario's accessibility transportation rules apply to public passenger transit providers operating within the province, setting service, information, vehicle and eligibility duties for conventional and specialized (paratransit) services.
Vacation
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Vacation Entitlement, Vacation Pay, and When Each Is Owed
Under the ESA, an employee earns at least two weeks of vacation after each completed entitlement year (three weeks once they hit five years of employment), plus vacation pay of 4 per cent of earnings rising to 6 per cent at five years.
Insured Injuries & Occupational Disease
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What Injuries and Diseases the Insurance Plan Covers
The plan covers a personal injury by accident that both arises out of and happens in the course of employment, plus work-caused occupational diseases and certain mental-stress and PTSD claims; coverage is generally lost for out-of-Ontario work and for injuries caused solely by the worker's own serious and wilful misconduct.
Supervisor and Worker Duties
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What Supervisors and Workers Owe Under the OHSA
Under Ontario's health and safety law, supervisors must ensure workers follow the Act and use required protective devices and clothing, while workers carry their own duties to work safely, wear required gear, report hazards and defects, and avoid prohibited conduct.
Framework and application
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What the AODA Is For, Who It Binds, and What It Doesn't Replace
The AODA exists to make Ontario accessible to people with disabilities through enforceable standards, with a target year of 2025; it reaches every public- and private-sector organization (and the Crown), and it adds to your other legal duties without subtracting from them.
Hours of Work & Work Time
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When Work Counts as Work (and When It Doesn't)
Under O. Reg. 285/01, time counts as work — and is paid — whenever the employer permits or lets it happen, or when an employee must stay on site waiting or on a break, with a few defined exceptions like meal breaks and qualifying sleep time.
WHMIS
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WHMIS: Assessing Hazards You Make In-House
Under Ontario's WHMIS regulation, an employer must assess every biological and chemical agent produced in its own workplace for use there to decide whether it counts as a hazardous material.
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WHMIS: Confidential Business Information Claims on Labels and SDS
Under Ontario's WHMIS regulation, an employer may hold back a narrow set of trade-secret details from a label or safety data sheet only by filing a formal exemption claim, and the document must still show the claim's registry number, filing date, and all other required hazard information.
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WHMIS: Disclosing the Source of Your Toxicological Data
Under WHMIS, an employer who makes a hazardous product in the workplace must, on request, reveal where the toxicological data behind its safety data sheet came from.
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WHMIS: Educating and Training Workers on Hazardous Products
Under Ontario's WHMIS regulation, an employer must inform and instruct any worker who works with — or might be exposed to — a hazardous product, and must do it so the worker can actually use that knowledge to stay safe.
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WHMIS: Label Rules and Exemptions for Laboratory Samples
Laboratory samples get relief from the usual WHMIS supplier and workplace labels, but only if a specific reduced label or a mix of clear on-site identification and worker training is in place.
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WHMIS: Labelling Hazardous Products in Pipes, Tanks and Conveyances
When a hazardous product is contained or moved through pipes, process or reaction vessels, or conveyances such as tank trucks or conveyor belts, employers must ensure safe use, storage and handling through worker education combined with colour coding, labels, placards, or another mode of identification.
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WHMIS: Supplier and Employer Safety Data Sheet Duties
Under Ontario's WHMIS regulation, an employer must get a supplier safety data sheet (SDS) for any hazardous product brought into the workplace, and must prepare its own SDS for hazardous products it makes on site.
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WHMIS: Supplier Labels on Hazardous Products
When a hazardous product arrives from a supplier, the employer must make sure it carries an intact supplier label, and must not alter or remove that label while product remains in the container.
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WHMIS: Swapping Out Old 1988 Workplace Labels
When Ontario moved to the current WHMIS rules, employers were required to replace older WHMIS 1988 workplace labels with current workplace labels — but only when three specific conditions are all met.
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WHMIS: The Short Grace Period for Storing Products While You Chase Labels and SDS
An employer may store a hazardous product without a WHMIS label, safety data sheet, or worker education program only while it is actively trying to get the missing label and SDS.
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WHMIS: What Counts, and Where the Rules Apply
Ontario's WHMIS regulation designates every "hazardous product" as a hazardous material and places labelling, safety data sheet and worker-education duties on employers and workers at the workplace, subject to a set of carve-outs.
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WHMIS: Workplace Labels for Employer-Produced and Decanted Products
Under Ontario's WHMIS regulation, an employer who makes a hazardous product on site, or who pours one from its supplier container into another, must put a workplace label on it — with a narrow exception for short-term, single-shift portable containers.
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WHMIS: You Must Tell a Doctor What's in the Product — Even If It's a Trade Secret
In a medical emergency, if a legally qualified medical practitioner requests product information to diagnose or treat someone, an employer must provide it — including confidential business information.
Hours of Work & Overtime
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Who Is Exempt From Hours-of-Work and Overtime Rules
Ontario's hours-of-work limits and overtime pay don't apply to everyone — a long list of jobs is carved out by regulation, including managers, certain agricultural and seasonal workers, IT professionals and others.
Administration and oversight
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Who runs the AODA: directors, the advisory council, the Directorate, and incentive deals
The AODA is administered by appointed directors, an advisory council weighted toward people with disabilities, the Accessibility Directorate of Ontario, and optional incentive agreements that trade exemptions for exceeding the standards.
Board Governance & Administration
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Who Runs the WSIB: Board, Tribunal, and Advisers
The WSIB is run by a government-appointed board of directors that sets policy and administers the insurance plan, with a separate Appeals Tribunal deciding appeals and free adviser offices helping unrepresented workers and small employers.
Scope and Coverage
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Who the ESA Covers: Application, Exemptions and No Contracting Out
The Employment Standards Act covers most employees whose work is performed in Ontario, its minimums cannot be waived or contracted away, and only a defined list of workers and federally-regulated relationships fall outside it.
Application
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Who the OHSA Covers (and Who It Doesn't)
Ontario's Occupational Health and Safety Act covers virtually every workplace and worker in the province, fully binding the Crown, with a handful of carve-outs (private homes, farming, teachers) and a limited partial application to the self-employed.
Sector-Specific Training
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Working at Heights: Construction Training Stacks On Top
On construction projects, the working-at-heights training required by the Awareness and Training regulation does not replace the separate construction training already required under O. Reg. 213/91 — both apply.
Coverage & the Historic Bargain
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Workplace Coverage and the No-Fault Bargain
Ontario's workplace safety and insurance system gives most injured workers no-fault benefits regardless of who was at fault, and in return takes away their right to sue the employer; whether someone is covered turns on which Schedule the employer falls into and who counts as a "worker".
Workplace Violence and Harassment
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Workplace Harassment: Program, Investigation and Training
Beyond a harassment policy, the Occupational Health and Safety Act requires every employer to maintain a written program backing it up, investigate complaints appropriately, and train workers on both.
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Workplace Violence: Policies, Risk Assessment and Program
Under the OHSA, every Ontario employer must have written policies on workplace violence and harassment, must assess the risk of violence, and must build a program to put the violence policy into action.
Return to Work — Re-employment
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WSIA Re-employment Duty (20+ Workers)
If you regularly employ 20 or more workers, the WSIA requires you to offer to re-employ a worker who is hurt on the job and was employed continuously for at least a year, once they are medically able to come back.
Contractor Chain Liability
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WSIB Clearance Certificates: When You're On the Hook for a Contractor's Premiums
When you retain a contractor or subcontractor, you can be held responsible for their unpaid WSIB premiums — the exact rules depend on whether the work is construction, and in construction the liability can be avoided by obtaining a valid clearance certificate before work begins.
Construction Industry Coverage
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WSIB Coverage Is Mandatory for Construction Independent Operators
In Ontario's construction industry, independent operators, sole proprietors, and (subject to regulations) partners and executive officers are deemed workers covered by the WSIB insurance plan; independent operators, sole proprietors, and partners must also register with the Board within 10 days.
Decisions & Appeals
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WSIB Decisions, Objections, and WSIAT Appeals
The WSIB decides workplace-injury claims with exclusive jurisdiction; if you disagree, you object to the WSIB first within set deadlines, and only a final WSIB decision can then be appealed to the WSIAT.
Workplace Safety & Insurance (WSIB)
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WSIB General Regulation: which workers' comp schedule you land in
Ontario's General Regulation under the Workplace Safety and Insurance Act assigns employers to the insurance schedules and industry classes that determine whether they have WSIB coverage and which schedule governs them.
WSIB
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WSIB Maximum Insurable Earnings Ceiling (Annual Reset)
The WSIB caps the earnings it charges premiums on per worker at an annual maximum that resets every January 1, indexed to Ontario average earnings. For 2026 the ceiling is $121,700; confirm the current figure at wsib.ca, because it changes each year.
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WSIB Premium Reporting Frequency and Annual Reconciliation
How often you report and pay WSIB premiums is set by your annual insurable earnings — monthly, quarterly, or annual. Monthly reporters (and any account closed mid-year) must also file an annual reconciliation; quarterly and annual reporters do not.
Enforcement & Offences
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WSIB Offences, Penalties, and Enforcement Powers
The Workplace Safety and Insurance Act gives the WSIB broad powers to inspect, collect, and prosecute, and it makes a long list of employer failures prosecutable offences carrying fines up to $500,000 for a company.
Premiums & Assessments
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WSIB Premiums and Payment Obligations for Employers
Schedule 1 employers fund the insurance system by paying WSIB premiums on their payroll, while Schedule 2 employers pay the actual cost of their own claims; neither group may pass any of that cost on to workers.