(2) Any person knowingly concerned in the exportation or shipment as stores, or in the attempted exportation or shipment as stores, of any goods with intent to evade any such prohibition or restriction as aforesaid commits an offence and is liable to a fine of $5,000 or 3 times the value of goods whichever is the greater, or to imprisonment for a term not exceeding 2 years, or to both, and may be arrested.