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Accidents, Incidents and Investigations in the Workplace

Last Updated: June 2019

Prepared by CCOHS

Listed below are selected sections of legislation which refer to general inspection procedures and steps to be undertaken after accidents and incidents in the workplace. Specific environments and situations, such as evacuations from confined spaces, may require tailored plans and have dedicated regulation. Legislation interpretation and enforcement varies by jurisdiction. Please see the list of Canadian Government Departments Responsible for Occupational Health and Safety ( for contact information. For a more in-depth and comprehensive understanding of the legislative requirements please review the Canadian enviroOSH Legislationplus Standards service.

This list is prepared by CCOHS as part of the Canadian enviroOSH Legislation plus Standards . This service is a comprehensive and easy to search compilation of the full text of Canadian health, safety and environmental legislation and critical guidelines and codes of practice from all jurisdictions. All the legislation is compiled into one convenient location and is regularly updated with amendments highlighted.

Subscribers to this service and paid learners of the CCOHS e-courses have access to the full text of the legislation listed in this document. To become a subscriber please contact Client Services .

OSH Answers

Accident Investigation


Canada Labour Code, (Part II - Occupational Safety and Health), R.S.C. 1985, c. L-2

Section 125, Specific duties of employer

Section 125.2, Employer to provide information in emergency

Section 126, Health and safety matters

Section 127, Interference at accident scene prohibited

Section 134.1, Establishment mandatory

Section 136, Appointment of health and safety representative

Canada Occupational Safety and Health Regulations, SOR/86-304

Part XV, Hazardous Occurrence Investigation, Recording and Reporting

Part XVII, Safe Occupancy of the Workplace

Section 17.3, Fire Protection Equipment

Section 17.9, Inspections

Canadian Transportation Accident Investigation and Safety Board Act, S.C. 1989, c. 3

Transportation Safety Board Regulations, SOR/2014-37


Occupational Health and Safety Act, S.A. 2017, c. O‑2.1

Part 3, Joint Work Site Health And Safety Committees And Health And Safety Representatives

Section 40, Serious injuries and incidents

Part 7, Medical Assessments

Reporting and investigating injuries and incidents : OHS information for workers, employers, and prime contractors

See also: Occupational Health and Safety Code, 2009

British Columbia

As made under the Workers Compensation Act, R.S.B.C. 1996, c. 492,

Occupational Health and Safety Regulation B.C. Reg. 296/97

Part 3, Rights and Responsibilities

Section 3.3, Contents of program

Section 3.5 General requirement

Section 3.7 Special inspections

Section 3.8 Participation of the committee or representative

Section 3.9, Remedy without delay

Section 3.10 Reporting unsafe conditions

Section 3.11 Emergency circumstances

Part 6, Substance Specific Requirements

Section 6.32, Retention of records

See also:

Reports of Injuries Regulations, B.C. Reg. 713/74

Guide to Occupational Health and Safety Information in British Columbia, Fourth Edition, Revised November 2003


Workplace Safety and Health Act, R.S.M. 1987, c. W210

Section 7.4, Establishment of workplace safety and health program

Section 41.2, Information to committee or representative

Workplace Safety and Health Regulation, Man. Reg. 217/2006

Part 2, General Duties

Section 2.4, Inspections of workplace

Serious Incidents at Workplace

Section 2.6, Definition: "serious incident"

Section 2.7, Notice of serious incident

Section 2.8, Site of serious incident to be preserved

Section 2.9, Investigations: serious incidents and accidents

See also:

Workers Compensation Act, C.C.S.M. c. W200

New Brunswick

Occupational Health and Safety Act, A.N.B. 1983, c. O-0.2

Section 15, Functions of committee

Section 28, Powers of officers

Section 43, Notices to Commission of injury to employee or accidental explosion or exposure

Newfoundland and Labrador

Occupational Health and Safety Act, R.S.N.L. 1990, c. O-3

Section 5, Specific duties of employers

Section 39, Duties of committees

Section 54, Reporting accidents

Section 55, Scene of accident

Section 56, Attendance at accident scene

Occupational Health and Safety Regulations, 2012, N.L.R. 5/12

Part II, Notice Requirements

Section 10, Serious injury

Part III, General Duties

Section 18, Safety inspections

Part VIII, Machinery and Equipment

Section 88, Safe machinery and equipment

See also:

Section 420, Security and report requirements

Section 516, Rescue from confined space

Northwest Territories

As amended by the Safety Act, R.S.N.W.T. 1988, c. S-1

Occupational Health and Safety Regulations R-039-2015

Part 2, Reporting

Part 3, General Duties

Section 28, Investigation of certain accidents

Section 29, Preserving scene of accident causing death

Section 30, Injuries requiring medical treatment

Nova Scotia

Occupational Health and Safety Act, S.N.S. 1996, c. 7

Workplace Monitoring, Measurements and Tests, Section 42

Accidents, Sections 63 - 65

Occupational Safety General Regulations, N.S. Reg. 44/99

Part 12, Confined Space Entry

Section 130, Assessment and written procedures


As made under Safety Act, R.S.N.W.T. 1988, c. S-1,

Occupational Health and Safety Regulations R-003-2016

Part 2, Reporting

Part 3, General Duties

Section 28, Investigation of certain accidents

Section 29, Preserving scene of accident causing death

Section 30, Injuries requiring medical treatment


Occupational Health and Safety Act, R.S.O. 1990, c. O.1

Part II, Administration

Section 8, Mandatory selection of health and safety representative

Part VII, Notices

Section 51, Notice of death or injury

Section 52, Notice of accident, explosion or fire causing injury

Section 53, Accidents, explosions, etc., at a project site or mine

Industrial Establishments, R.R.O. 1990, Reg. 851

Part I, Safety Regulations

Section 5, Notice of accidents

Construction Projects, O. Reg. 213/91

Accident Notices and Reports under Sections 51 - 53 of the Act,

Sections 8 - 12

General Requirements

Section 14

Mines and Mining Plants, R.R.O. 1990, Reg. 854

Part I, General

Section 21

See also:

Criteria to be Used and Other Matters to be Considered by the Board Under Subsection 46(6) of Act, O. Reg. 243/95

Prince Edward Island

Occupational Health and Safety Act, S.P.E.I. 2004, c. 42

Section 36, Reporting of accidents

Section 37, Accidental explosions


Act respecting occupational health and safety, RLRQ c. S-2.1

Part III, Rights and Obligations

Division II, The employer

4. Accidents, Section 62

Part IV, Health and Safety Committees

Section 78

Part V, Safety Representative

Section 90

Part X, Inspection

Sections 177-193

Part XI, Special Provisions Respecting Construction Sites

Sections 200, 206, 210

Regulation respecting industrial and commercial establishments, R.R.Q. S-2.1, r.6

Division XIV, Accident Reports, Medical Examinations and Safety Committees

Section 14.1, Accident report

Section 14.3, Safety committees

Safety Code for the Construction Industry, RLRQ c. S-2.1, r. 4

Division II, General Provisions

Section 2.4.2

Section 2.5.4, Duties of the safety officer

See also:

Act respecting industrial accidents and occupational diseases, RLRQ c. A-3.001


As made under the Saskatchewan Employment Act S.S., 2013, c. S-15.1,

Occupational Health and Safety Regulations, 1996, S.S., c. O-1.1, Reg 1

Part III, General Duties

Section 28, Inspection of place of employment

Section 29, Investigation of certain accidents

Section 30, Prohibition re scene of accident

Section 31, Investigation of dangerous occurrences

Section 32, Injuries requiring medical treatment


Occupational Health and Safety Act, R.S.Y. 2002, c. 159

Section 5, Joint duties of employers

Section 9, Employee's duties

Section 10, Self-employed person's duties

Section 12, Workplaces having 20 or more employees

Section 30, Report and investigation

Occupational Health and Safety Regulations, O.I.C. 2006/178