A cartel of commerce, a book of rates, a table or catalogue, drawn usually in alphabetical order, containing the names of several kinds of merchandise, with the duties or customs to be paid for the same, as settled by authority, or agreed on between the several princes and states that hold commerce together. Enc. Loud.; Railway Co. v. Cushman, 92 Tex. 023, 50 S. W. 1000. The list or schedule of articles on which a duty is imposed upon their importation into the United States, with the rates at which they are severally taxed. Also the custom or duty ‘payable on such articles. And, derivatively, the system or principle of imposing duties on the importation of foreign merchandise.