An Act to make perpetual certain Temporary or War Duties of Customs, on the Importation into Great Britain of Goods, Wares and Merchandize, and to repeal so much of several Acts passed in the Forty- seventh, Forty-ninth and Fifty-first Years of the Reign of His present Majesty, as charge any Loans made for the Service of the Years One thousand eight hundred and seven, One thousand eight hundred and nine, and One thousand eight hundred and eleven, upon the War Duties of Customs or Excise, and to charge such Loans on the Duties of Customs made perpetual.