An Act to enable Her Majesty to abolish otherwise than by Treaty, on Condition of Reciprocity, Differential Duties on Foreign Ships.
WHEREAS by an Act passed in the Fifty-ninth Year of the Reign of King George the Third, intituled An Act to carry into effect a Convention of Commerce concluded between His Majesty and the United States of America, and a Treaty with the Prince Regent of Portugal, Provisions were made respecting the Rates or Duties payable on Ships or Vessels of the United States and Portuguese Ships or Vessels entering and touching at the Ports of the United Kingdom or of His Majesty's Territories in Europe, ...