reg 11 Fitness certificates: non-United Kingdom certificates
(1) A certificate of medical fitness to work as a seafarer which has been issued to a person by an authority empowered to issue such certificates by the laws of any country or territory outside the United Kingdom specified by the Secretary of State in Merchant Shipping Notice 1815(M) is for the purposes of regulations 6, 7 and 12, and for the purposes of regulation 13 other than regulation 13(1)(d), equivalent to a medical fitness certificate, but only until the expiry date specified on the certificate. (2) A certificate to which paragraph (1) applies is not equivalent to a medical fitness certificate unless it is issued in English, or in English and some other language.