HTS Chapter 99 · Additional tariffs
HTS 9903.45 tariff provisions
Headings under 9903.45 are Chapter 99 provisions: temporary duties set by statute or presidential action that apply on top of, or instead of, the base rate for qualifying goods. There are 11 provisions in this group, from 9903.45.01 to 9903.45.31. Whether one applies depends on the product, its origin and the entry date.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
9903.45.01
14% in place of the base rateIf entered in an aggregate quantity, in any quarterly period specified in note 17(i) to this subchapter, not exceeding 300,000 units in any such quarterly period, under the terms of such note
Rate text: 14%
9903.45.02
30% in place of the base rateOther
Rate text: 30%
9903.45.05
No additional dutyIf entered in an annual aggregate quantity not exceeding the quantity specified in note 17(g) to this subchapter, under the terms of such note
Rate text: No change
9903.45.06
30% in place of the base rateOther
Rate text: 30%
9903.45.21
No additional dutyIf entered in an annual aggregate quantity not exceeding 12.5 gigawatts, under the terms of such note[Compiler’s note: This subheading and its related note, U.S. note 18 to this subchapter, have expired. See 87 Fed. Reg. 7357.]
Rate text: No change
9903.45.22
30% in place of the base rateOther [Compiler’s note: This subheading and its related note, U.S. note 18 to this subchapter, have expired. See 87 Fed. Reg. 7357.]
Rate text: 30%
9903.45.25
30% in place of the base rateModules as defined in note 18(g) to this subchapter, when the product or originating good of a country other than a country described in note 18(b) to this subchapter, except as provided in heading 9903.45.27 or heading 9903.45.29 [Compiler’s note: This heading and its related note, U.S. note 18 to this subchapter, have expired. See 87 Fed. Reg. 7357.]
Rate text: 30%
9903.45.27
No additional dutyCrystalline silicon photovoltaic cells, as defined in note 18(c) to this subchapter, and modules as defined in note 18(g) to this subchapter, all the foregoing when the product and originating good of Canada [Compiler’s note: This heading and its related note, U.S. note 18 to this subchapter, have expired. See 87 Fed. Reg. 7357.]
Rate text: No change
9903.45.29
No additional dutyBifacial solar panels, as defined in and meeting the conditions of U.S. note 18(j) to this subchapter, that absorb light and generate electricity on each side of the panel and that consist of only bifacial solar cells that absorb light and generate electricity on each side of the cells [Compiler’s note: This heading and its related note, U.S. note 18 to this subchapter, have expired. See 87 Fed. Reg. 7357.]
Rate text: No change
9903.45.30
25% in place of the base rateQuartz 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
Rate text: 25%
9903.45.31
50% in place of the base rateQuartz 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
Rate text: 50%
