Section IV. No Collector or other Officer of Customs shall, on or after the 17th day of November 1855, grant a p

IV. No Collector or other Officer of Customs shall, on or after the 17th day of November 1855, grant a pass or permit for the exportation or shipment for exportation of Saltpetre from any part of the said Territories, except in a British vessel bound for the Port of London or for the Port of Liverpool; and every Collector and other Officer of Customs is hereby indemnified for any thing heretofore done or hereafter to be done according to the provisions of this Act.