Division I - Collective Bargaining — Time limit

the certified bargaining agent and the employer or an employers' organization representing the employer or their authorized representatives shall, without delay, and no later than 20 clear days after the notice was given or a further time that the parties may agree to, meet and begin to bargain collectively in good faith with one another and shall make reasonable efforts to conclude a collective agreement; and

except with the prior written approval of the board, the employer shall not alter rates of wages or other terms or conditions of employment of employees in the unit without the prior consent of the bargaining agent that was certified in respect of that unit, until

a collective agreement has been concluded, (ii) a conciliation officer has been appointed to try to bring about an agreement between the parties, and 15 days have elapsed from the date on which the report of the conciliation officer was received by the minister and a conciliation board has not been appointed, or (iii) a conciliation board has been appointed to try to bring about agreement between the parties and 7 days have elapsed from the date on which the report of the conciliation board was received by the minister, whichever first occurs.