256. (1) If, in the case of a ship for which a Passenger Ship Safety Certificate has been granted under this Chapter, any person-(a) being drunk or disorderly has been on that account refused admission thereto by the owner or any person in his employment and, after having the amount of his fare, if he has paid it, returned or tendered to him, nevertheless persists in attempting to enter the ship; or(b) being drunk or disorderly on board the ship is requested by the owner or any person in his employment to leave the ship at any place in Bangladesh at which he can conveniently do so and after having the amount of his fare, if he has paid it, returned or tendered to him, does not comply with the request; or(c) on board the ship after warning by the master or other officer thereof, molests or continues to molest any passenger; or(d) having gone on board the ship at any place and being requested, on account of the ship being full, by the owner or any person in his employment to leave the ship, before it has departed from that place and having had the amount of his fare, if he has paid it, returned or tendered to him, does not comply with the request; or(e) travels or attempts to travel in the ship without first paying his fare and with intent to avoid payment thereof; or(f) on arriving in the ship at the place for which he has paid his fare knowingly and wilfully refuses or neglects to quit the ship; or(g) on board the ship, fails when requested by the master or other officer thereof either to pay his fare or to produce such ticket or other receipt, if any, showing the payment of his fare as is usually given to a person travelling by and paying fare for the ship, he shall be punishable with fine which may extend to two thousand Taka but such punishment shall not prejudice the recovery of the fare, if any, payable by him. (2) If any person on board any such ship wilfully does or causes to be done anything in such a manner as to interfere with or damage any part of the machinery or tackle of the ship or to obstruct, impede or molest the crew or any of them in the navigation or management of the ship or otherwise in the execution of their duty on or about the ship, he shall be punishable with fine which may extend to five thousand Taka but such punishment shall not prejudice the recovery from him, by way of damages, of all losses and expenses suffered or incurred by the ship on account of his conduct. (3) Without prejudice to the provisions of sub section (1) and sub section (2), the master or other officer of any such ship and all persons called by him to his assistance may, without warrant, detain any person who commits any offence thereunder and whose name and address are not known to the master or officer and convey him with all convenient despatch before the nearest Magistrate to be dealt with according to law.