5. S'il n'existe ni convention collective ni sentence arbitrale ou si l'autorité compétente décide que les dispositions de la convention collective ou de la sentence arbitrale sont insuffisantes en ce qui concerne les points 3 et 4, l'autorité compétente doit fixer les dispositions visant à assurer aux marins en question un repos suffisant.
5. With regard to paragraphs 3 and 4, where no collective agreement or arbitration award exists or if the competent authority determines that the provisions in the agreement or award are inadequate, it would be for the competent authority to determine such provisions to ensure that the seafarers concerned have sufficient rest.