In this part—
"excluded entity" , for representing or assisting a worker or the health and
safety representative for a worker, see section 45B .
"relevant union" , for a worker, whether the worker is a health and safety
representative or another worker, means a union—
(a) of which the worker is a member or is eligible to be a member; and
(b) whose rules entitle the union to represent the worker’s industrial interests.
(a) the health and safety representative for the worker; or
(b) a suitable entity for representing the worker that is authorised by the worker to represent the worker.
(a) a relevant union for the worker; or
(b) another entity that—(i) is authorised by the worker or representative to represent or assist the worker or representative; but(ii) is not an excluded entity for representing or assisting the worker or representative.