Fraudulent opening of warehouse

If any importer or proprietor of any goods warehoused, or any person by any contrivance fraudulently opens any warehouse or customs area, or gains access to the goods therein, such importer, proprietor or other person shall forfeit and pay for every such offence five hundred dollars, and all goods liable to duty which are found in the act of being removed, or are removed without a legal warrant for them, shall be deemed to be goods respectively liable to and unshipped without payment of duty, unless the person in whose possession they are found and seized proves to the contrary.