42.—(1) When goods are to be unshipped within the harbour the master of the vessel containing them shall–
(a)within 24 hours of the arrival of the vessel within the harbour, deliver to the harbour master the name of the consignee of the goods and a copy of the bill of lading or manifest or, if part only of the cargo is to be unshipped, a sufficient account in writing of the goods to be unshipped;
(b)if required so to do by the harbour master, give to him 24 hours' notice of the time at which any such goods are to be unshipped.
(2) Before any person ships goods on board of a vessel within the harbour he shall give to the harbour master a true account signed by him, of the kinds, quantities and weights of the goods.
(3) If any difference arises between the harbour master and a master or the owner of goods or consignee concerning the weight or quantities of goods in respect of which charges may be payable, the harbour master may cause the goods to be weighed or measured and may detain a vessel containing such goods until the goods have been so weighed or measured.
(b)Section 46 of the 1847 Act shall apply to any difference such as is referred to in sub paragraph (a) above.
(4) Any person who contravenes or fails to comply with the provisions of paragraph (1)(a) or (2) above, or with any requirement made under paragraph (1)(b) above, shall be guilty of an offence and liable on summary conviction to a fine not exceeding level 3 on the standard scale.