The WHS Act provides for the establishment of the:

• WorkSafe Commissioner 
• Chief Inspector of Mines
• Chief Inspector Petroleum Safety 
• Work Health and Safety Commission (WHSC) 
• Mining and Petroleum Advisory Committee (MAPAC) 
• Work Health and Safety Tribunal.

Work Health and Safety Commission

The Work Health and Safety Commission (previously known as the Commission for Occupational Safety and Health) consists of employers, employees and government representatives and people with expertise and knowledge in work health and safety matters. The Commission: 

• is the peak consultative forum on work health and safety in Western Australia; and 
• liaises with WorkSafe, a division of the Department of Energy, Mines, Industry Regulation and Safety that administers and enforces work health and safety laws in Western Australia. 

The functions of the WHSC are outlined in section 18 of the WHS Act.

Mining and Petroleum Advisory Committee

The Mining and Petroleum Advisory Committee was established under the Work Health and Safety Act 2020 to provide advice to the Minister and to the WHS Commission. The MAPAC: 

• is a consultative forum for work safety and health matters affecting the mining and petroleum industries
• liaises with WorkSafe, a division of the Department of Energy, Mines, Industry Regulation and Safety that administers and enforces work health and safety laws in Western Australia.