Coverage
What the HTS Calculator dataset holds, read from the manifest of release 1.0.0 (built 2026-10-10).
- 1,671Chapter 99 rules
- 142,827HTS codes in rule scopes
- 5,692citations
- 26,246HTS lines
- 55HTS releases
- 20,427base-rate intervals
- 1,648line change events
- 23,193special and column 2 rows
Entry dates and releases
Duty stacks for entry dates 2025-01-01 to 2026-10-09; HTS releases 2025HTSBasic to 2026HTSRev21 (55 releases; the current one is 2026HTSRev21).
Measures
- Section 232 (steel, aluminum, copper, autos and parts, MHDV, timber, pharmaceuticals, semiconductors, UAS)
- IEEPA (fentanyl, Canada/Mexico, reciprocal, Brazil, India, postal) until 2026-02-23
- Section 301 (China lists, exclusions, 2026 actions)
- Section 122 surcharge
- Section 201
- Section 338
- Subchapter IV safeguards
- Column 1 General / column 2 / USMCA special base rates
| Group | Rules |
|---|---|
| Section 232 | 528 |
| IEEPA | 192 |
| Section 301 | 362 |
| Other Chapter 99 | 589 |
Sources
| Source | Licence | Retrieved |
|---|---|---|
| USITC Harmonized Tariff Schedule (Chapter 99 PDFs, Change Records, releaseList, exportList REST) | U.S. Government work, public domain (17 U.S.C. 105) | 2026-10-09/2026-10-10 |
| Federal Register (proclamations, executive orders, USTR/Commerce notices) | U.S. Government work, public domain (17 U.S.C. 105) | 2026-10-09/2026-10-10 |
| U.S. Customs and Border Protection: CSMS bulletins and web guidance (IEEPA FAQ, Section 232 FAQ, IEEPA Duty Refunds) | U.S. Government work, public domain (17 U.S.C. 105) | 2026-10-09/2026-10-10 |
| Office of the U.S. Trade Representative (Section 301 notices and annexes) | U.S. Government work, public domain (17 U.S.C. 105) | 2026-10-09 |
| X Machina adjudicated rule set and engine (derived from the government sources above) | X Machina (own work); built only from public-domain sources | 2026-10-10 |
Not covered
- Classification of goods: you supply the HTS code.
- Antidumping and countervailing duties, fees (MPF, HMF) and quotas outside the Chapter 99 rules listed above.
- Entry dates after 2026-10-09, until the next release of the dataset.