If a company (a corporation) is found guilty of breaking the OHSA, what is the highest fine a court can impose on it?
JHSC Part One: The OHSA and how the law works
How the Occupational Health and Safety Act, regulations, standards and guidelines fit together, key sector regulations, enforcement under Part VIII and penalties.
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- 14 questions
- Topic drill
Study reference: Ontario JHSC Part One sources (Oct 2026), Ch. 2 The OHSA and how the law works — OHSA ss. 1, 54, 57, 66; JHSC Certification Training Program Standard, 8.1.3; O. Reg. 297/13
All 14 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
If a company (a corporation) is found guilty of breaking the OHSA, what is the highest fine a court can impose on it?
- $2,000,000
- $250,000 only
- $500,000
- $50,000
How do regulations relate to the Occupational Health and Safety Act?
- They are optional tips that employers are free to ignore
- They replace the Act once they have been published
- They apply only to workplaces with a union
- They set specific, legally binding rules under the Act
Which Ontario regulation sets health and safety rules for construction projects?
- O. Reg. 213/91, Construction Projects
- Reg. 833, Biological or Chemical Agents
- O. Reg. 297/13, Awareness Training
- Reg. 851, Industrial Establishments
Which of these is a guideline rather than law?
- O. Reg. 213/91 for construction work
- Regulation 851 for industrial establishments
- A ministry guide explaining how to comply
- The Occupational Health and Safety Act
Which topic must worker awareness training include?
- How to drive a forklift without training
- The company's marketing and sales plans
- Occupational illness, including latency
- How to file a personal income tax return
When may a ministry inspector enter a workplace?
- Only when invited by the JHSC co-chairs
- At any time, without a warrant or notice
- Only with a warrant signed by a judge
- Only after giving the employer 48 hours' notice
Which part of the OHSA deals with enforcement, such as inspector orders and stop-work orders?
- Part I
- Part VIII
- Part VI only
- Part III
Under O. Reg. 297/13, when must a new worker complete basic health and safety awareness training?
- Within two years of hire
- Only if the worker asks
- As soon as practicable
- Only after an injury occurs
What is the maximum fine for an individual convicted under the OHSA?
- $500,000, up to 12 months in jail, or both
- $5,000 and no possible jail time at all
- $2,000,000 or up to five years in jail
- $25,000 or up to 30 days in jail, not both
A worker left a job four months ago and asks for proof of their awareness training. What must the employer do?
- Charge the worker a fee before releasing any proof of training
- Provide written proof, since the request is within six months
- Refuse, because the worker no longer works for the company
- Send the request to the ministry, which keeps all training records
How soon must a new supervisor complete basic awareness training for supervisors?
- Before retirement, at any time that is convenient
- Within one year of starting the supervisor job
- Only after the first worker under them is hurt
- Within one week of working as a supervisor
An inspector issues an order to the employer. What must the employer do regarding the JHSC?
- Wait until the next annual meeting to mention it
- Give the committee a copy of the order
- Ask the committee to pay any fine owed
- Keep the order secret from the committee
Which is an aggravating factor a court must consider when setting an OHSA penalty?
- The defendant's workplace has fewer than ten workers
- The defendant apologized and paid the fine early
- The defendant disregarded an inspector's order
- The defendant has a long record of full compliance
During an inspector's physical inspection of the workplace, who may accompany the inspector?
- Only the employer's own lawyer
- A JHSC member representing workers
- Any customer in the building
- A reporter from the local news
The OHSA and how the law works: key rules to remember
Our summary of what the official handbook says on this topic, in our own words. Read it before or after the practice questions above, then check the original chapter. Read the official chapter ↗
Structure of Ontario's occupational health and safety law
- The Occupational Health and Safety Act (OHSA) sets general rights and duties; regulations under it set specific rules (for example Reg. 851 Industrial Establishments, O. Reg. 213/91 Construction Projects, Reg. 833 biological and chemical agents, O. Reg. 490/09 Designated Substances, Reg. 860 WHMIS, O. Reg. 297/13 training).
- Standards, codes, guidelines, company policies and collective agreements support and add to the Act but do not replace it.
- The Act has come into force since 1979; the ministry responsible is the Ministry of Labour, Immigration, Training and Skills Development (MLITSD).
enforcement
- An inspector may enter any workplace at any time without warrant or notice, require documents, take samples, take photographs and question people (s. 54(1)).
- A JHSC worker member may accompany the inspector during the physical inspection (s. 54(3)).
- The employer must give the committee a copy of any order or report from an inspector (s. 57(10)).
- Inspectors can issue orders, including stop-work orders, when the law is contravened.
penalties
- An individual convicted of an offence faces a fine of up to $500,000, imprisonment of up to 12 months, or both.
- A corporation faces a fine of up to $2,000,000.
- A director or officer who fails to comply with s. 32 faces up to $1,500,000 or 12 months.
- Aggravating factors include death or serious injury, recklessness, ignoring an inspector's order and prior convictions.
basic awareness training
- Every worker must complete basic occupational health and safety awareness training as soon as practicable; supervisors within one week of starting as a supervisor.
- Worker awareness covers worker rights and duties, employer and supervisor duties, the roles of JHSCs and representatives, the roles of the ministry and the WSIB, common hazards, WHMIS, and occupational illness including latency.
- Employers keep records and give written proof on request, including within six months after the worker leaves.
Study the The OHSA and how the law works rules as flashcards →
Other topics
- Certification and the internal responsibility systemHow JHSC certification works (Part One, Part Two, refresher, Chief Prevention Officer), what certified members do, and the internal responsibility system behind Ontario's law.
- Duties of the workplace partiesDuties of employers, supervisors, workers, owners, suppliers and corporate directors, the competent person, and the health and safety policy and program.
- Worker rights: know, participate, refuseThe right to know, the right to participate and the right to refuse unsafe work, the two-stage work refusal process, and protection from reprisals.
- When a JHSC is required and how it runsWhich workplaces need a committee or a representative, membership, co-chairs, meetings, minutes, postings, paid time and worker trades committees.
- JHSC powers and recommendationsWhat the committee may do: identify hazards, obtain information, recommend improvements, the employer's 21-day written response, consensus and co-chair recommendations, and inspector visits.
- Certified members and dangerous circumstancesWhat dangerous circumstances are, investigating complaints, bilateral and unilateral work stoppages, cancelling a direction and complaints of reckless use.
- Workplace violence and harassmentLegal definitions, policies, programs, risk assessments, the committee's role, reporting incidents, domestic violence and the Human Rights Code.
- Hazard recognition and categoriesHazard, injury and illness, the six hazard categories, the five contributing factors, states of matter, routes of entry and acute versus chronic effects.
- Workplace inspectionsWho inspects, how often, preparing and doing an inspection, reporting hazards to the committee and other ways to find hazards.
- Hazard assessment and exposure limitsMethods for assessing how serious a hazard is, exposure monitoring, the committee's right to be at the start of testing, and TWA, STEL and ceiling limits.
- Hazard control and evaluating controlsControlling hazards at the source, along the path and at the worker, the hierarchy of controls with examples, qualities of good controls and evaluating them.
- Reporting and investigating incidentsNotices of death, critical injury, lost-time injury and occupational illness, the critical injury definition, preserving the scene, and committee investigations.