30(2)Where notice has been given under section 33 with a view to the renewal or revision of a collective agreement then in operation or to the making of a new agreement and the Minister has appointed a conciliation officer or appointed a mediator under section 70, no application for a declaration that the trade union or council of trade unions that was a party to the collective agreement no longer represents the employees in the bargaining unit as defined in the agreement shall be made after the date when the agreement ceased to operate or the date when the Minister appointed the conciliation officer or mediator, whichever is later, unless, following the appointment of the conciliation officer or mediator, if no collective agreement has been made,