reg 46 Part 9 requirements for non-United Kingdom ships with MLC documentation
(1) A seafarer must— (a) be given access to prompt and adequate medical care whilst working on board the ship at no cost to the seafarer; and (b) be permitted to visit a qualified medical doctor or dentist without delay in ports of call, where practicable. (2) A breach of paragraph (1) is an offence by the shipowner. (3) Subject to paragraph (4), a ship must not be operated unless it carries a qualified medical doctor who is responsible for providing medical care. (4) Paragraph (3) does not apply to a ship unless— (a) it has 100 or more persons on board; and (b) it is engaged on an international voyage lasting more than 72 hours. (5) A breach of paragraph (3) is an offence by the shipowner. (6) In paragraph (3), “ qualified medical doctor ” means a person who is recognised as such by, and who (for the purposes of sub-paragraph 4(b) of Standard A4.1 (medical care on board ship and ashore) of the MLC) has the qualifications required by, the State whose flag the ship is entitled to fly.