Authorisation to exceed the maximum weekly working time provided for in articles L. 3121-21 and L. 3121-25 may only be granted for a period expressly set by the competent authority.
On expiry of this period, a new authorisation may only be granted by an express decision following a new application by the interested parties, examined under the same conditions as the initial application.
The authorisation may be revoked at any time by the authority that granted it if the reasons for which it was granted no longer apply, particularly in the event of mass redundancies affecting the sectors, regions or companies that were the subject of the authorisation.