Article R3123-20 of the French Public procurement code
Before examining the applications, the concession-granting authority which finds that documents or information are missing which must be produced in accordance with the provisions of articles R. 3123-1 to R. 3123-8 and articles R. 3123-16 to R. 3123-19 may ask the applicants concerned to complete their application file within an appropriate period of time. It shall then inform the other applicants of the implementation of this provision.