(1)If any goods—
(a)are imported, exported, carried coastwise or shipped as ships' stores in contravention either of an order under this Act or of the law relating to trading with the enemy, or
(b)are brought to any quay or other place, or waterborne, for the purpose of being exported or of being so carried or shipped in contravention either of an order under this Act or of the law relating to trading with the enemy,
those goods shall be deemed to be prohibited goods and shall be forfeited; and the exporter of the goods or his agent, or the shipper of the goods, shall be liable, in addition to any other penalty under the enactments relating to customs, to a customs penalty of five hundred pounds.
(2)If any such order as aforesaid prohibits the exportation of any goods unless consigned to a particular place or- person, and such goods so consigned are delivered otherwise than to that place or person, as the case may be, the vessel in which the goods were exported shall be deemed to have been used in the conveyance of prohibited goods.
(3)If any goods are imported, exported, carried coastwise or shipped as ships' stores, or are brought to any quay or other place, or waterborne, for the purpose of being exported or of being so carried or shipped, an officer of Customs and Excise may require any person possessing or having control of the goods to furnish proof that the importation, exportation or carriage coastwise of the goods or the shipment of the goods as ships' stores, as the case may be, is not unlawful by virtue either of an order under this Act or of the law relating to trading with the enemy; and if such proof is not furnished to the satisfaction of the Commissioners of Customs and Excise, the goods shall be deemed to be prohibited goods unless the contrary is proved.
In any proceedings taken by virtue of this subsection, an averment in the information that such proof as aforesaid has not been furnished to the satisfaction of the Commissioners of Customs and Excise shall, unless the contrary is proved, be sufficient evidence that no such proof has been furnished to their satisfaction.