9903.45.30Quartz surface products, as defined in U.S. note 41 to this subchapter
HTS Code 9903.45.30 covers any article best defined as Special Classification Provisions; Temporary Legislation; Temporary Modifications Proclaimed pursuant to Trade Agreements Legislation; Additional Import Restrictions Proclaimed Pursuant to Section 22 of the Agricultural Adjustment Act, As AmendedTemporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amendedQuartz 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 in the Harmonized Tariff Schedule.
Base Duty Rates for 9903.45.30
From the Harmonized Tariff Schedule
- General Rate of Duty
- 25%
- Special Rate of Duty
- —
- Column 2 (Non-NTR)
- 25%
Tariff updates
Recent US tariff actions that name 9903.45.30 or its heading.
- Oct 21, 2026 · Filed earlyCBP extends postal formal entry compliance date to January 20, 2027
- Sep 24, 2026 · CBP guidanceBIS sets anti-stockpiling import limits on polysilicon products ahead of Section 232 tariffs
- Aug 27, 2026 · CBP guidanceCBP updates ACE reporting order for Chapter 98 and 99 HTS numbers on entry summary lines
- Aug 5, 2026 · PublishedUS imposes 4-year Section 201 safeguard tariff-rate quota on quartz surface products
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Relevant HTS Notes
Official USITC notes that may affect classification under HTS 9903.45.30.
Related CROSS Rulings for HTS 9903.45.30
CBP classification rulings related to 9903.45.30. Open a ruling to read how Customs classified a similar product.
No rulings found
No CROSS classification rulings were found for HTS code "9903.45.30".
What does HTS code 9903.45.30 cover?
HTS code 9903.45.30 covers quartz surface products, as defined in U.S. note 41 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), classified under Chapter 99 (Temporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amended) in the US Harmonized Tariff Schedule. The general duty rate is 25%.

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