Canada: Overview: Labour Law In Canada

CANADA Canada Labour Code, RSC 1985, c L-2, s 9
Certification/De-certification Certification:

A trade union seeking to be certified as the bargaining agent for a unit that the trade unit considers constitutes a unit appropriate for collective bargaining may, subject to regulation, apply to the Board for certification as the bargaining agent for the unit 24(1)

24(2)
Application may be made where: