Article L1264-1 of the French Labour Code
Failure by an employer who posts one or more employees to comply with one of the obligations set out in article L. 1262-2-1, the third paragraph of II of article L. 1262-4, article L. 1262-4-4 or article L. 1263-7 is subject to an administrative fine, under the conditions set out in article L. 1264-3.