120. (1) The master or owner of a Bangladesh coasting ship for which an agreement with the crew is required under this Ordinance shall, within twenty one days after the thirtieth day of June, and the thirty first day of December in every year, or, if the ship is not at any port or place in Bangladesh within that period, within forty eight hours of her next arrival at a port or place in Bangladesh, deliver to a Shipping Master in Bangladesh every agreement made within the six months next preceding such days respectively. (2) The Shipping Master, on receiving such agreement, shall give the master or owner of the ship a certificate to that effect; and the Collector of Customs shall not grant a port clearance for any such ship without production of the certificate, and, if any such ship attempts to go to sea without such clearance, the Collector of Customs may detain her until the certificate is produced. (3) Any master or owner who fails, without reasonable cause, to comply with any of the provisions of this section shall, for each offence, be punishable with fine which may extend to five thousand Taka.