Each heading’s own text says whether the listing adds duty or exempts the product. Read the heading and its note before relying on a rate.
Potash that is a product of Mexico, as provided for in U.S. note 2(c) to this subchapter
Articles of civil aircraft (all aircraft other than military aircraft and unmanned aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components the product of Canada, as provided for in subdivision (d) of U.S. note 51 to…
Except for products described in headings 9903.05.02–9903.05.09, articles the product of Brazil, as provided for in subdivision (a) of U.S. note 50 to this subchapter
Articles the product of Brazil, as provided for in subdivision (a)(ii) of U.S. note 50 to this subchapter
Articles the product of Brazil, as provided for in subdivision (a)(iii) of U.S. note 50 to this subchapter
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of Brazil, as provided for in subdivision (a)(iv) of U.S. note 50 to this subchapter
Articles the product of Brazil that are articles for use in pharmaceutical applications, as provided for in subdivision (a)(v) of U.S. note 50 to this subchapter
Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo…
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components, as provided for in subdivision (d) of U.S. note 52 to this subchapter
U.S. note 52(d)
Articles provided for in subdivision (c) of U.S. note 16 to this subchapter that do not contain any aluminum, steel, or copper
U.S. note 16(c)
Except for articles classifiable in chapters 72, 73, 74 or 76, articles where the weight of the applicable metal is less than 15 percent of the weight of the imported article, as provided for in subdivision (c) of U.S. note 16 to this subchapter
U.S. note 16(c)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided…
Effective with respect to entries on or after June 30, 2025, articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components of the United Kingdom, classified in…
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components of Japan, excluding unmanned aircraft, classified in the subheadings enumerated in subdivision (b)…
Civil aircraft (all aircraft other than military aircraft and unmanned aircraft) components that are products of Taiwan, provided for in subdivision (c) of U.S. note 35 to this subchapter
Articles the product of any country, except for products described in headings 9903.01.26–9903.01.33, 9903.02.02–9903.02.91, 9903.96.01, and 9903.96.02, and except as provided for in headings 9903.01.34 and 9903.02.01, as provided for in subdivision (v) of U.S. note 2 to this subchapter
Articles the product of any country determined by U.S. Customs and Border Protection to have been transshipped to evade applicable duties under section 2 of Executive Order [Insert EO number], as amended [Compiler's note: [Insert EO Number] refers to Executive Order 14326, 90 Fed. Reg. 37963.]
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Quartz surface products, as defined in U.S. note 41(a) to this subchapter, when the product of any country not exempt under U.S. note 41(c) to this subchapter, if entered in an aggregate quantity not exceeding the quantity defined in U.S. note 41(d) to this subchapter
Quartz surface products, as defined in U.S. note 41(a) to this subchapter, when the product of any country not exempt under U.S. note 41(c) to this subchapter, if entered in an aggregate quantity exceeding the quantity defined in note 41(d) to this subchapter
Except as provided for in headings 9903.82.17 and 9903.85.68, derivative aluminum and steel articles the product of any country identified in general note 3(b), as provided for in subdivisions (c)(ix)–(x) of U.S. note 16 to this subchapter