As used in this subchapter:
"Appropriate unit" means a unit that is appropriate for the purposes of collective bargaining and that is the subject of a petition filed pursuant to this subchapter.
"Exclusive representative" means an individual or labor organization certified by the board under section 377-4.6, HRS, as the exclusive collective bargaining agent to represent all employees in an appropriate unit without discrimination and without regard to employee organization membership.
"Petition" means a petition that is filed pursuant to this subchapter.
Haw. Code R. § 12-43-181