The employers’ group shall at all times make available to the administrative authority all documents enabling the latter to verify, for each member of the group, the information mentioned in 5° of article D. 1253-1 and to know the reason, place and duration of the work carried out by each of the group’s employees.
These supporting documents are kept for a minimum of five years following the calendar year in which they were drawn up, subject to more stringent legal provisions.