(1) A person is a worker if the person carries out work in any capacity for a person conducting a business or undertaking, including work as (a) an employee; or(b) a contractor or subcontractor; or(c) an employee of a contractor or subcontractor; or(d) an employee of a labour hire company who has been assigned to work in the person's business or undertaking; or(e) an outworker; or(f) an apprentice or trainee; or(g) a student gaining work experience; or(h) a volunteer; or(i) a person of a prescribed class.(2) For the purposes of this Act, a police officer is (a) a worker; and(b) at work throughout the time when the officer is on duty or lawfully performing the functions of a police officer, but not otherwise.(3) The person conducting the business or undertaking is also a worker if the person is an individual who carries out work in that business or undertaking.