In the absence of any stipulation in the agreement concluded pursuant to Article L. 3141-15, the employer :
1° Defines, after consulting the social and economic committee where applicable:
a) The period during which the leave is taken ;
b) The order of departure, taking into account the following criteria:
-the family situation of the beneficiaries, in particular the possibilities of leave, in the private sector or the civil service, for the spouse or partner linked by a civil solidarity pact, as well as the presence in the household of a child or a disabled adult or an elderly person who is losing their independence;
-the length of time they have worked for the employer;
-their activity with one or more other employers;
2° May not, except in exceptional circumstances, change the order and dates of departure less than one month before the planned departure date.