Article R3115-36 of the French Public Health Code
The persons or approved bodies mentioned in article R. 3115-31 may issue one-month extensions to the validity of health inspection certificates or exemption certificates for ships in the ports mentioned in the second paragraph of article R. 3115-31. The procedures for granting this certificate extension are set by order of the ministers responsible for the interior, health, transport and, where applicable, overseas departments and territories.