ordinary customs duty
(3) The term “ordinary customs duty” means a customs duty based on the article as such (whether or not such duty is also based in any manner on the use, value, or method of production of the article, or on the amount of like articles imported, or on any other factor); but does not include— (A) a customs duty based on an act or omission of any person with respect to the importation of the article, or of the country from which the article is exported, or from which it comes; or (B) a countervailing duty imposed to offset a subsidy, bounty, or grant; or (C) an anti-dumping duty imposed to offset the selling of merchandise for exportation at a price less than the prevailing price in the country of export; or (D) any tax, fee, charge, or exaction, imposed on or in connection with importation unless the law of the country imposing it designates or imposes it as a customs duty or contains a provision to the effect that it shall be treated as a duty imposed under the customs laws; or (E) the tax imposed by section 2491(c) of the Internal Revenue Code with respect to an article, merchandise, or combination, 10 per centum or more of the quantity by weight of which consists of, or is derived directly or indirectly from, one or more of the oils, fatty acids, or salts specified in section 2470 of the Internal Revenue Code; or the tax imposed by section 3500 of the Internal Revenue Code.
Source
22 USC § 1360(a)(3)
Scoping language
None identified, default scope is assumed to be the parent (subchapter IV) of this section.