Customs Consolidation Act, 1876

Officer may board ship after clearance.

134. Any officer of Customs may go on board any ship after clearance outwards within the limits of any port in the United Kingdom, or within one league of the coast thereof, and may demand the ship's clearance, and if the master shall refuse to produce the same and answer such questions concerning the ship, cargo, and intended voyage as may be demanded of him, he shall forfeit the sum of five pounds.