530.11. Fifteen days after the decision made under section 530.7, the only conditions of employment applicable to a group of employees shall be those in force before that date to which the association having obtained certification in accordance with this division was a party.
Where the newly certified association was a party to two or more collective agreements or in the case of a voluntary amalgamation referred to in paragraph 4 of section 530.7, the conditions of employment applicable shall be those provided in the collective agreement chosen by agreement between the management and union parties from among the collective agreements applicable to the employees concerned or, failing an agreement, those provided in the collective agreement applicable to the largest group of employees.
Any other conditions of employment applicable, at that date, to employees of that group shall lapse in respect of those employees from that date.