At the request of the control officers mentioned in article L. 8271-7, for the application of the provisions of 1° of article L. 8221-5, the employer shall produce the notice of receipt provided for in article R. 1221-7 if he is still required to keep it pursuant to article R. 1221-8 or, until he has received this notice, the information enabling them to verify that he has made the declaration prior to hiring the employee.