In the absence of an agreement mentioned in article L. 3142-26, in order to terminate the leave early or to waive it in the cases provided for in article L. 3142-19, the employee must send a reasoned request to the employer by any means giving a date certain, at least one month before the date on which he intends to benefit from these provisions.
In the event of the death of the person being assisted, this period is reduced to two weeks.