(2) No collective agreement shall be interpreted as requiring the manager to establish a conciliation body composed of more than one arbitrator. 8. If, subject to paragraph 9, the certification of a trade union as a negotiator is repealed under a provision of this Code, a collective agreement between the trade union and the employer of the workers of the unit for which the certification is repealed shall be void in respect of that unit. If a designation is made in accordance with section 72, the relationship between the employer and its employees must be regulated during compliance with the designation by the conditions of the last collective agreement in force between the employer and the union, unless the collective agreement is modified by the board of directors to the extent necessary for the execution of the designation of essential services. 76 (1) The Minister may appoint a special mediator and define the terms of reference of the special mediator to assist the parties in setting the terms of a collective agreement or to extend or revise a collective agreement. 20 Two or more unions that claim to have together a majority of employees as members in a unit appropriate to collective bargaining may join an application under that Part and the provisions of that Code concerning an application by a trade union and all matters or things arising therefrom. (d) to coerce or induce a worker not to become or become a member, officer or representative of a trade union, by intimidation, dismissal, threat of dismissal or any other type of threat, or by the imposition of a penalty, promise or increase in wages or by the modification of other conditions of employment or employment; the board of directors may certify the union for the unit, for a unit composed only of workers who supervise, or for a unit composed of a few or any other worker. 39 (1) All votes directed by the board of directors or the Minister under this Act, as well as other votes taken by a union or employers` organization of their respective members on whether a collective agreement should be terminated or excluded or whether a proposed collective agreement should be adopted or ratified, must be carried out by secret ballot, so that the person: who expresses an election, cannot be identified with the election expressed. 64 A trade union or any other person may, at any time and in a manner that does not constitute a picket line within the meaning of this Code, communicate to a person information about matters or things that relate to the terms and conditions of employment or the work performed or to be performed by that person, or that are related to or related to it. . .