reg 6 Seafarer to have valid medical fitness certificate
(1) Subject to paragraphs (3) and (4), no person may work as a seafarer on a ship to which these Regulations apply unless that person has been issued with a medical fitness certificate which is still valid and is not suspended. (2) A seafarer who has been issued with a medical fitness certificate must carry that certificate on board during the term of that seafarer's employment on a ship to which these Regulations apply. (3) A seafarer whose medical fitness certificate has expired during the course of a voyage may continue to work until— (a) the first port of call at which it is possible for the seafarer to make an application for a medical fitness certificate and be examined by a medical practitioner, or (b) the expiry of three months starting on the date of the expiry of the certificate, whichever is the sooner. (4) In urgent cases, with the Secretary of State's approval, if a person— (a) does not hold a valid medical fitness certificate, but (b) has held a medical fitness certificate for a period of not less than 24 months (or in the case of a person under 18 years at the date of issue of the certificate, 12 months) and that certificate has expired no earlier than one month before the date on which that person joined a ship to which these Regulations apply, that person may work as a seafarer on that ship until the first port of call at which it is possible for an application for a medical fitness certificate as respects that person to be made and for that person to be examined by a medical practitioner, but in any case not for a period exceeding three months. (5) No person may work as a seafarer on a ship to which these Regulations apply in a capacity of sea service or in a geographical area precluded by any restriction in that person's medical fitness certificate. (6) No person may work as a seafarer on a ship to which these Regulations apply in breach of a condition of that person's medical fitness certificate.