" SUB-CONTRACT " MEANS A CONTRACT CONCLUDED BY AN UNDERTAKING ( HEREINAFTER CALLED THE " PRINCIPAL CONTRACTOR " ) WITH ANOTHER UNDERTAKING ( HEREINAFTER CALLED THE " SUB-CONTRACTOR " ) UNDER WHICH IT IS AGREED THAT , IN PERFORMANCE OF ANOTHER CONTRACT MADE BETWEEN THE PRINCIPAL CONTRACTOR AND A THIRD UNDERTAKING ( HEREINAFTER CALLED THE " BUYER " ) , THE SUB-CONTRACTOR WILL DELIVER GOODS OR PERFORM SERVICES WHICH THE PRINCIPAL CONTRACTOR MUST INCORPORATE OR USE IN PERFORMING THE SUBJECT-MATTER OF THE CONTRACT OR CONTRACTS WHICH THE BUYER HAS MADE WITH HIM , IT BEING UNDERSTOOD THAT :
IL CONVIENT D'ENTENDRE PAR SOUS-TRAITANCE LA SITUATION RESULTANT D'UN CONTRAT CONCLU PAR UNE ENTREPRISE APPELEE " CONTRACTANT PRINCIPAL " AVEC UNE ENTREPRISE DENOMMEE " SOUS-TRAITANT " , EN VERTU DUQUEL IL EST CONVENU QUE , EN EXECUTION D'UN AUTRE CONTRAT INTERVENU ENTRE LE CONTRACTANT PRINCIPAL ET UNE ENTREPRISE TIERCE APPELEE " ACHETEUR " , LE SOUS-TRAITANT DOIT LIVRER DES ELEMENTS OU EXECUTER DES PRESTATIONS QUE LE CONTRACTANT PRINCIPAL DOIT INCORPORER OU UTILISER DANS LA FOURNITURE DE L'ENSEMBLE OU DES ENSEMBLES QUI LUI ONT ETE COMMANDES PAR L'ACHETEUR , ETANT ENTENDU QUE :