Active, upcoming, and historical U.S. tariff measures — Section 301, FYR escalation, forced labor, MPF, and HMF — organized by effective date. All backed by official USTR and USITC HTS data.
The U.S. Tariff Changes page aggregates all active, upcoming, and historical tariff measures into one chronological timeline. It covers Section 301 China lists, FYR escalation, forced-labor tariffs, MPF, and HMF — sourced from USITC HTS and USTR data.
The dataset reports 18 currently effective measures across 4 programs: 6 Section 301 (China); 1 Forced Labor S301; 9 FYR Escalation; 2 MPF / HMF. Use the timeline below to see each entry's effective range and rate expression as supplied by the canonical dataset. (as of 2026-08-28.)
The dataset lists 5 upcoming measures. Each entry below shows its scheduled effective date and rate expression directly from the canonical dataset. Verify any near-term schedule with the official Federal Register notice before filing.
Verify all rates, effective dates, and scope with USITC HTS (hts.usitc.gov) and the applicable Federal Register notice before filing customs entries.
List 1 — $34B trade action (initial 25%)
List 2 — $16B trade action (additional 25%)
List 3 — $300B trade action (additional 25%, later reduced)
FYR List 4A — 7.5% additional tariff (Step 1)
List 4B — 15% additional tariff (SUSPENDED)
| Effective Date | Measure | Authority | Rate | Status |
|---|---|---|---|---|
| 2026-11-10 | FYR China Escalation — 9903.91.12 | 89 FR 76581 | 100% | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.13 | 89 FR 76581 | Variable | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.14 | 89 FR 76581 | 100% | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.15 | 89 FR 76581 | Variable | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.16 | 89 FR 76581 | Variable | UPCOMING |
| Date Range | Measure | Authority | Rate | Status |
|---|---|---|---|---|
| 2025-01-01 → 2026-01-01 | FYR China Escalation — 9903.91.04 | 89 FR 76581 | 25% | EXPIRED |
| 2024-09-27 → 2026-01-01 | FYR China Escalation — 9903.91.10 | 89 FR 76581 | Variable | EXPIRED |
| 2019-05-10 → 2019-05-10 | Legacy China S301 — 9903.88.09 (9903.88.09) | USTR | 10% | EXPIRED |
Chapter 99 operative headings, rates, and effective dates from the official USITC HTS REST API.
USTRSection 301 investigation, list scope, and exclusion notices from the United States Trade Representative.
CBPUS Customs and Border Protection guidance on MPF, HMF, entry types, and tariff enforcement.
The dataset reports 18 currently effective measures across 4 programs: 6 Section 301 (China); 1 Forced Labor S301; 9 FYR Escalation; 2 MPF / HMF. Use the timeline below to see each entry's effective range and rate expression as supplied by the canonical dataset. (as of 2026-08-28.)
The timeline is sorted chronologically by effective date, with current measures first, upcoming measures second, and historical measures (expired or superseded) third. Each entry shows the measure name, authority, rate, effective date range, and status.
FYR escalation rates change on scheduled dates that are recorded in the canonical dataset. The timeline below lists each upcoming FYR escalation measure with its scheduled effective date and rate expression. Verify any near-term schedule with the official Federal Register notice before filing.
Use the Section 301 Tariff Checker tool with your HTS code and country of origin to determine applicable measures. The Import Duty Calculator lets you enter base duty, Section 301 rate, FYR rate, and other inputs to estimate total landed cost.
Current measures have effective dates in the past and are executable today. Upcoming measures have effective dates in the future — they have been announced and will apply to entries made on or after the specified date. Plan ahead by checking upcoming measures for your import schedule.
All measures are sourced from USITC HTS (hts.usitc.gov), USTR (ustr.gov), and Federal Register (federalregister.gov) notices. Verify any specific measure with the official HTS database and applicable Federal Register notice before filing.
Use the Section 301 Tariff Checker and Import Duty Calculator to estimate the total tariff stack for a specific product and origin.
Data provenance: USITC HTS REST API · USTR · Federal Register · CBP
Last reviewed: August 2026
This timeline presents planning estimates from official source data. Verify all classifications, rates, effective dates, and exclusions with official databases before filing customs entries.
