In this Part:
official of a union means a person who holds an office in, or is an employee of, the union.
relevant person conducting a business or undertaking means a person conducting a business or undertaking in relation to which the WHS entry permit holder is exercising or proposes to exercise the right of entry.
relevant union means the union that a WHS entry permit holder represents.
relevant worker, in relation to a workplace, means a worker:(a) who is a member, or eligible to be a member, of a relevant union, and(b) whose industrial interests the relevant union is entitled to represent, and(c) who works at that workplace.