252. (1) The owner, agent or master of a ship in respect of which a Passenger Ship Safety Certificate has been granted under this Chapter and is in force shall, as soon as possible after any alteration is made in the ship's hull, equipment or machinery which affects the efficiency thereof or the seaworthiness of the ship, give written notice to such person as the Government may direct containing full particulars of the alteration. (2) If the owner, agent or master of a ship, without reasonable cause, fails to give the notice required by sub section (1), he shall be punishable with a fine which may extend to twenty thousand Taka. (3) If the Government has reason to believe that since the making of the last declaration of survey in respect of a ship-(a) any such alteration as aforesaid has been made in the hull, equipment or machinery of the ship; or (b) the hull, equipment or machinery of the ship have sustained any injury or are otherwise insufficient,the Government may require the ship to be again surveyed to such extent as it may think fit, and, if such requirement is not complied with, may cancel any Passenger Ship Safety Certificate issued under this Chapter in respect of the said ship.