I.-A client or project owner who enters into a contract with a service provider who posts employees, under the conditions mentioned in articles L. 1262-1 and L. 1262-2, shall check with the latter, before the posting begins, that it has fulfilled the obligations mentioned in I and II of article L. 1262-2-1.
If his co-contractor has not provided him with a copy of the declaration referred to in I of article L. 1262-2-1, the client or the instructing party shall, within forty-eight hours of the start of the posting, send a declaration to the labour inspectorate of the place where the service begins. A decree shall determine the information to be included in this declaration.
The conditions under which the client or the instructing party is required to send the declaration referred to in the second paragraph of this I by electronic means are set by decree in the Conseil d’Etat after consultation with the Commission nationale de l’informatique et des libertés.
II.The project owner shall check before the start of the posting that each of the direct or indirect subcontractors of its co-contractors, which it accepts pursuant toarticle 3 of law no. 75-1334 of 31 December 1975 relating to subcontracting, and that each of the companies carrying out temporary work activity with which one of these subcontractors or one of these co-contractors has contracted, which post employees under the conditions mentioned in articles L. 1262-1 and L. 1262-2 have fulfilled the obligation mentioned in I of Article L. 1262-2-1.
III -A principal or project owner who contracts with a service provider who seconded employees, under the conditions mentioned in articles L. 1262-1 and L. 1262-2, shall check when the contract is concluded that his co-contractor has paid, where applicable, the sums due in respect of the fines provided for in articles L. 1263-6, L. 1264-1, L. 1264-2 and L. 8115-1.