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.