54. The functionaries and workmen shall be governed by the provisions of the collective agreement which apply to them or, failing such provisions in any such collective agreement, by the provisions of this act, notwithstanding any general law or special act, respecting the following subjects:(a) additional salary or remuneration;
(b) working hours and period of work;
(c) leave of absence;
(d) settling of grievances;
(e) suspension;
(f) dismissal;
(g) appeal of an employee who believes himself wronged by a decision respecting his classification.
Nevertheless, no provision of a collective agreement shall deal with any other subject which, under this act, falls under the jurisdiction of the Commission or of the Gouvernement unless the Commission has agreed thereto by by-law and such by-law has been approved by the Gouvernement.
No decree or document in lieu thereof or collective agreement made with a view to a decree shall apply to the conditions of employment of the functionaries or workmen.