Section 10(4) in The Merchant Shipping (Crew Accommodation) Rules, 1960
(4)The heating system shall be in operation at all times when any members of the crew are living or working on board the ship and circumstances require its use. Provide that while the ship is in port the heating system shall not be required to be in operation if efficient temporary means of heating are provided for such pars of the crew accommodation as are in us.
