The obligation
A worker is anyone carrying out work in any capacity for a PCBU, and a workplace is any place where work is carried out for a business or undertaking.
Workers include employees, contractors and subcontractors and their employees, labour hire employees, outworkers, apprentices and trainees, work experience students, volunteers and prescribed classes. An individual PCBU who carries out work in the business or undertaking is also a worker. A person conducts a business or undertaking whether alone or with others, and whether or not for profit or gain.
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- What
- A worker is anyone carrying out work in any capacity for a PCBU, and a workplace is any place where work is carried out for a business or undertaking.
- Source
- legislation.wa.gov.au
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Frequently asked questions
Which WHS law does this come from?
Who counts as a business, officer, worker and workplace is a WHS requirement set out in Work Health and Safety Act 2020 (WA). The relevant provision is Work Health and Safety Act 2020 (WA) > Part 1 > Division 3.
What does this WHS obligation require?
Who counts as a business, officer, worker and workplace is a WHS obligation under Work Health and Safety Act 2020 (WA). In short, A worker is anyone carrying out work in any capacity for a PCBU, and a workplace is any place where work is carried out for a business or undertaking.
What changed recently?
Who counts as a business, officer, worker and workplace was last updated on 19 October 2026.