Article R2193-3 of the French Public procurement code
When the declaration of subcontracting is made after notification of the contract, the contractor shall submit to the purchaser, against receipt or by registered letter with acknowledgement of receipt, a special subcontracting document containing the information mentioned in article R. 2193-1 .The holder also proves that no assignment or pledging of receivables resulting from the contract prevents direct payment to the subcontractor, by producing, where the provisions of Chapter I…