An Act for making perpetual and amending several Laws for encouraging the making of Sail Cloth in Great Britain, and securing the Duties on Foreign Sail Cloth imported; and for making perpetual several Laws for permitting the Exportation of a certain Quantity of Corn and Grain to Guernsey, Jersey and Alderney; and for regulating the Fees of Officers of the Customs, and of Naval Officers in the British Colonies in America, and of the Officers of the Customs in Newfoundland.