31. Where a ship is not required under the Merchant Shipping Act (Cap. 179) to carry a qualified medical practitioner on board, the shipowner shall make arrangements for securing that —
(a)
a ship which is ordinarily capable of reaching qualified medical care and medical facilities within 8 hours shall carry on board a seafarer who has completed such training in medical first-aid as required by the STCW Code and approved by the Director, and is appointed by the shipowner to be in charge of medical first-aid training and administration of medicine on board the ship; and
(b)
any ship, other than a ship referred to in paragraph (a), shall carry on board a seafarer who has completed such training in medical care as required by the STCW Code and approved by the Director, and who is appointed by the shipowner to be in charge of medical care on board the ship.