Base tariff columnsBase tariff columns
Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.
| General (MFN) | Free |
|---|---|
| Special | — |
| Other (Column 2) | Free |
| Units | t |
Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD and product-specific exclusions are not evaluated by default.
Chapter 99 overlaysChapter 99 overlays
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9903.88.03 section301 +25% activeExcept 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 for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
§ DUTY BREAKDOWNDuty breakdown
Duty ledger below is calculated on a $10,000 customs value. Fees, AD/CVD, and exclusions are not included here.
| Duty breakdown | Rate | Amount | Source |
|---|---|---|---|
| Base dutyBase | 0% | $0.00 | HTS General rate |
| Chapter 99 section301Chapter 99 | 25% | $2,500.00 | 9903.88.03 |
§ CLASSIFICATION WATCH-OUTSClassification watch-outs
These sibling HTS entries share the same parent but differ in duty rate or Chapter 99 coverage. They are review prompts, not classification recommendations.
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Fire-clay
§ ORIGIN COMPARISONAlternative origin comparison
This compares tariff-only outcomes for the same HTS across origin countries. Freight, AD/CVD, exclusions, broker fees, and relocation cost are not included.
| Origin | Total rate | Duty @ $10,000 | Delta vs baseline |
|---|---|---|---|
| China (CN) | 25% | $2,500.00 | — |
| Vietnam (VN) | 0% | $0.00 | -$2,500.00 |
| Mexico (MX) | 0% | $0.00 | -$2,500.00 |
| India (IN) | 0% | $0.00 | -$2,500.00 |
| South Korea (KR) | 0% | $0.00 | -$2,500.00 |
Sample duty by originSample duty by origin
Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.
| Origin | Base rate | Chapter 99 | Total rate | Duty (USD) |
|---|---|---|---|---|
| China (CN) | 0% | 25% | 25% | $2,500.00 |
| Vietnam (VN) | 0% | 0% | 0% | $0.00 |
| Mexico (MX) | 0% | 0% | 0% | $0.00 |
| India (IN) | 0% | 0% | 0% | $0.00 |
| South Korea (KR) | 0% | 0% | 0% | $0.00 |
§ RELATED ENTRIESRelated HS codes in the same chapter
Adjacent lines under the same HTS chapter. Pick the most specific match for your product.
- 2501.00.00.00Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents; sea water
- 2502.00.00.00Unroasted iron pyrites
- 2503.00.00Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur
- 2503.00.00.10Crude or unrefined sulfur
- 2503.00.00.90Other
- 2504Natural graphite:
- 2504.10In powder or in flakes:
- 2504.10.10.00Crystalline flake (not including flake dust)
- 2504.10.50.00Other
- 2504.90.00.00Other
§ RECENT CHANGESRecent US tariff policy notices
The 3 most recent Federal Register tariff notices in the Duty database. See the Changes timeline for the full list.
- Apr 27, 2026Certain Chassis and Subassemblies Thereof From the People's Republic of China: Final Determination of Covered Merchandise Inquiry2026-08130
- Apr 27, 2026Oil Country Tubular Goods From the People's Republic of China: Final Determination of Covered Merchandise Inquiry2026-08129
- Apr 27, 2026Circular Welded Carbon Steel Pipes and Tubes From Thailand: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-20252026-08128