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Occupational health and safety (OHS) compliance

Occupational health and safety (OHS) compliance means meeting the workplace health and safety legislation that applies where the business operates. The federal government, each province and each territory has its own OHS law, so a business with several sites may answer to several.

The Canadian Centre for Occupational Health and Safety explains that OHS legislation in each jurisdiction sets out the general rights and responsibilities of the employer, the supervisor and the worker through an Act and related regulations. A buyer of an industrial, trades or construction business can meet the term in diligence, alongside the workers’ compensation assessment.

Which law applies

The Centre says that if a company has workplaces in several jurisdictions, the laws of each jurisdiction must be followed for each location, and that federal legislation is commonly referred to as Canada Labour Code Part II. Alberta’s government says its rules fall under the Occupational Health and Safety Act, regulation and code. Ontario’s Occupational Health and Safety Act defines “employer” as a person who employs one or more workers or contracts for the services of one or more workers, and defines “constructor” separately.

What to ask

  • Which jurisdiction’s law covers each site, and who is the employer under it.
  • Whether any inspection orders or notices are open.
  • Whether the safety programs and records the law calls for exist and are current.

Sources

This definition is checked against primary sources. Links were last confirmed on the dates shown.

  1. 01
    Canadian Centre for Occupational Health and Safety (CCOHS)Government
    Health and Safety Legislation in Canada - Introduction
    ccohs.ca·Checked Oct 24, 2026
  2. 02
    Government of AlbertaGovernment
    Occupational health and safety (OHS)
    alberta.ca·Checked Aug 16, 2026
  3. 03
    Government of Ontario (e-Laws)Government
    Occupational Health and Safety Act, R.S.O. 1990, c. O.1
    ontario.ca·Checked Oct 24, 2026
  4. 04
    Government of Canada (Department of Justice)Government
    Canada Labour Code, R.S.C. 1985, c. L-2
    laws-lois.justice.gc.ca·Checked Oct 20, 2026

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