To implement the right to leave of absence for activities in the military operational reserve or the national police operational reserve mentioned in article L. 3142-89, the employment contract, an agreement between the Minister of Defence or the Minister of the Interior and the employer, a collective company agreement or, failing that, a branch agreement or convention determines:
1° The duration of the annual leave of absence, which must be at least ten working days per calendar year ;
2° The period of notice within which the employee must inform his employer of his absence or, beyond the duration of his annual leave, submit his request to his employer, which may not exceed one month.