Article R1263-12 of the French Labour Code
The project owner or client who has a contract with an employer established outside France shall request the following documents from his co-contractor before the start of each posting of one or more employees: a) Acknowledgement of receipt of the secondment declaration made via the “SIPSI” tele-service of the Ministry of Employment, in accordance with articles R. 1263-5 and R. 1263-7 ; b) A sworn statement certifying that the co-contractor…