Duties payable on goods, wares, and merchandize imported into the United States of America from and after the 30th Sept. 1797 : the duties of tonnage, also rates of coins by which the duties are to be received and estimated : rates of fees, drawbacks, &c. : also the mode of transacting business at the several custom-houses in the United States, from and after the 30th June 1799 : with extracts from the revenue laws, and sundry forms for the direction of merchants, masters of vessels, and others concerned.