51.4(1)A trade union or council of trade unions that represents employees in a bargaining unit constituted under subsection 51.3(1) may, on behalf of the employees in the unit, by notice in writing, require the employer, the employers’ organization or the accredited employers’ organization to commence collective bargaining with a view to the conclusion of a collective agreement and such notice shall be deemed for the purposes of this Act to be a notice given under section 32.

51.4(2)An employer or an employers’ organization representing the employer or an accredited employers’ organization that represents employers in a unit of employers constituted under subsection 51.3(2) may, in respect of employees who are in a bargaining unit constituted under subsection 51.3(1) and employed by the employer or employers, by notice in writing, require the bargaining agent to commence collective bargaining with a view to the conclusion of a collective agreement and such notice shall be deemed for the purposes of this Act to be a notice given under section 32.