For the application of articles L. 1251-5, L. 1251-9, L. 1251-11, L. 1251-13, L. 1251-16, L. 1251-17, L. 1251-29, L. 1251-30, L. 1251-31, L. 1251-34, L. 1251-35, L. 1251-41 and L. 1251-60 to open-ended contracts concluded by a temporary employment undertaking with an employee, the words: “contrat de mission” are replaced by the words: “lettre de mission”.