Section 201 Safeguard Tariffs on Quartz Surface Products
2 Chapter 99 headings are in force under the Section 201 quartz safeguard tariffs on October 26, 2026, adding 25%–50% to the regular duty and covering 3 HTS codes. The latest change took effect on August 15, 2026.
Section 201 of the Trade Act of 1974 lets the President impose temporary safeguard duties when rising imports seriously injure a US industry, after a US International Trade Commission investigation.
- Headings in force
- 2
- HTS codes covered
- 3
- Rates
- 25%–50%
- Latest change
- August 15, 2026
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Chapter 99 Headings in Force
Each heading the Section 201 quartz safeguard tariffs use on October 26, 2026, with the rate it adds, the countries it applies to and the documents behind it.
| Heading | Name | Rate | Applies to | Covers | Since |
|---|---|---|---|---|---|
| 9903.45.30 | Section 201 – Quartz Surface Products (In Quota)Source: Proclamation 11051 | +25% | All except 124 countries | 3 codes | August 15, 2026 |
| 9903.45.31 | Section 201 – Quartz Surface Products (Over Quota)Source: Proclamation 11051 | +50% | All except 124 countries | 3 codes | August 15, 2026 |
Every HTS Code Covered (3)
The codes the in-force headings list, from the U.S. notes to Chapter 99. A code covers every line under it, and a heading that takes precedence (an exemption, a deal rate) can switch it off for some goods. Whether a product is in scope also depends on the note's written description, which the importer or their customs broker decides.
9903.45.30Section 201 – Quartz Surface Products (In Quota)+25%All except 124 countries · 3 codes
6810.99.00.20Agglomerated quartz slabs of the type used for countertops6810.99.00.40Agglomerated quartz slabs of the type used for countertops7020.00.60.00Articles of glass
9903.45.31Section 201 – Quartz Surface Products (Over Quota)+50%All except 124 countries · 3 codes
6810.99.00.20Agglomerated quartz slabs of the type used for countertops6810.99.00.40Agglomerated quartz slabs of the type used for countertops7020.00.60.00Articles of glass
Changes to the Section 201 Safeguard Tariffs on Quartz Surface Products
When each heading started or stopped applying, newest first, from our tariff data.
- August 15, 20269903.45.30Started: Section 201 – Quartz Surface Products (In Quota) (+25%)Source: Proclamation 11051
- August 15, 20269903.45.31Started: Section 201 – Quartz Surface Products (Over Quota) (+50%)Source: Proclamation 11051
Questions
What are the Section 201 quartz safeguard tariffs?
Section 201 of the Trade Act of 1974 lets the President impose temporary safeguard duties when rising imports seriously injure a US industry, after a US International Trade Commission investigation. 2 Chapter 99 headings are in force under the Section 201 quartz safeguard tariffs on October 26, 2026, adding 25%–50% to the regular duty and covering 3 HTS codes. The latest change took effect on August 15, 2026.
Are the Section 201 quartz safeguard tariffs still in effect?
Yes. On October 26, 2026, 2 of their Chapter 99 headings are in force.
Which HTS codes are subject to the Section 201 quartz safeguard tariffs?
3 HTS codes are listed under the headings in force on October 26, 2026. This page lists every one, with its heading and rate. A listed code covers every line under it, and whether a product is in scope also depends on the written description in the U.S. notes to Chapter 99.
What are the Section 201 quartz safeguard tariffs rates?
Rates range from 25%–50%. The highest: 50% under 9903.45.31 (Section 201 – Quartz Surface Products (Over Quota), All except 124 countries); 25% under 9903.45.30 (Section 201 – Quartz Surface Products (In Quota), All except 124 countries). They are added on top of the regular duty and any other Chapter 99 duties, except where the rules say one replaces another.
How do I check whether the Section 201 quartz safeguard tariffs apply to my import?
Find your HTS code in the tables on this page, or enter it with the country of origin in the free HTS Hero tariff calculator, which applies every Chapter 99 heading in force on the entry date. Scope also depends on the written description of the products covered, which the importer or their customs broker decides.
Primary Sources
The legal documents behind the headings in force. Check the legal text before you file.
- Federal Register: Proclamation 11051
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