Customs Consolidation Act, 1876

Officer may go on board and examine any coasting ship.

147. Any collector or other proper officer of Customs may go on board any coasting ship in any port or place in the United Kingdom, or at any period of her voyage, search such ship, and examine all goods on board, and all goods then lading or unlading, and demand all documents which ought to be on board such ship, and may require all or any such documents to be brought to him for inspection; and the master of any ship refusing to produce such documents on demand, or to bring the same to the collector or other proper officer when required, shall forfeit the sum of twenty pounds.