Subject to the provisions of article L. 4311-15-2, the departmental council, the authority referred to in article D. 4311-96 or the regional health agency shall implement the appropriate procedures in order to ensure the authenticity of the supporting documents produced by the applicant and, where applicable, the legality of the authorisation to practice, in particular by comparing them with the information obtained from the authority which issued the evidence of formal qualifications or the certificate in lieu thereof.