What is the tariff measure timeline?
The tariff measure timeline shows all 26 tracked U.S. tariff measures in chronological order. It covers Section 301, FYR, forced labor, MPF, and HMF from USITC HTS and USTR sources, refreshed at build time.
Tariff Tracker
U.S. Tariff Measure Timeline
Complete chronological tariff treatment timeline for U.S. tariff measures — past, current, and upcoming — across all measure families: Section 301, FYR escalation, forced labor, MPF, and HMF.
Estimate onlyVerify before filingSource: USITC HTS / USTR
26Total MeasuresAll families
18CurrentActive today
5UpcomingFuture-effective
8HistoricalExpired / superseded
Section 301 (China)7FYR Escalation16Forced Labor S3011MPF & HMF2
Answer Summary
What This Page Answers
All measure families
Section 301 China lists (blue), FYR escalation (orange), forced labor (red), and MPF/HMF (gray). Each family is color-coded throughout the timeline for quick visual identification.
18 active measures
18 measures are currently executable. 5 upcoming measures will become effective on future dates. All measures are sourced from official data.
Official sources required
Verify all measures with USITC HTS (hts.usitc.gov) and applicable Federal Register notices before filing. This timeline is a planning reference only.
Current Measures
Active Tariff Measures — Chronological
2021-04-01MPF
Harbor Maintenance Fee (HMF)
CURRENT2024-07-01MPF
Merchandise Processing Fee (MPF)
CURRENT2024-09-27FYR
FYR China Escalation — 9903.91.01
CURRENT2024-09-27FYR
FYR China Escalation — 9903.91.02
CURRENT2024-09-27FYR
FYR China Escalation — 9903.91.03
CURRENT2024-09-27FYR
FYR China Escalation — 9903.91.09
CURRENT2025-01-01FYR
FYR China Escalation — 9903.91.05
CURRENT2025-01-01FYR
FYR China Escalation — 9903.91.11
CURRENT2026-01-01FYR
FYR China Escalation — 9903.91.06
CURRENT2026-01-01FYR
FYR China Escalation — 9903.91.07
CURRENT2026-01-01FYR
FYR China Escalation — 9903.91.08
CURRENT2026-07-24FL
Section 301 Forced Labor — CN (9903.05.31)
CURRENTOngoingS301
Section 301 List 1 — China
CURRENTList 1 — $34B trade action (initial 25%)
OngoingS301
Section 301 List 2 — China
CURRENTList 2 — $16B trade action (additional 25%)
OngoingS301
Section 301 List 3 — China
CURRENTList 3 — $300B trade action (additional 25%, later reduced)
OngoingS301
Legacy China S301 — 9903.88.04 (9903.88.04)
CURRENTOngoingS301
Section 301 List 4A (FYR) — China
CURRENTFYR List 4A — 7.5% additional tariff (Step 1)
OngoingS301
Section 301 List 4B (SUSPENDED) — China
CURRENTList 4B — 15% additional tariff (SUSPENDED)
Upcoming
Scheduled Future Measures
| Effective Date | Measure | Family | Rate | Status |
|---|---|---|---|---|
| 2026-11-10 | FYR China Escalation — 9903.91.12 | FYR | 100% | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.13 | FYR | — | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.14 | FYR | 100% | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.15 | FYR | — | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.16 | FYR | — | UPCOMING |
Historical
Expired & Superseded Measures
| Date Range | Measure | Family | Rate | Status |
|---|---|---|---|---|
| 2019-05-10 → 2019-05-10 | Legacy China S301 — 9903.88.09 (9903.88.09) | S301 | 10% | EXPIRED |
| 2024-09-27 → 2026-01-01 | FYR China Escalation — 9903.91.10 | FYR | — | EXPIRED |
| 2025-01-01 → 2026-01-01 | FYR China Escalation — 9903.91.04 | FYR | 25% | EXPIRED |
| 2026-11-10 | FYR China Escalation — 9903.91.12 | FYR | 100% | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.13 | FYR | — | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.14 | FYR | 100% | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.15 | FYR | — | UPCOMING |
| 2026-11-10 | FYR China Escalation — 9903.91.16 | FYR | — | UPCOMING |
Measure Family Breakdown
Measures by Family
Section 301 (China)
6Current
0Upcoming
1Historical
FYR Escalation
9Current
5Upcoming
2Historical
Forced Labor S301
1Current
0Upcoming
0Historical
MPF & HMF
2Current
0Upcoming
0Historical
Source Provenance
Where This Data Comes From
FAQ
Common Questions
What is the tariff measure timeline?
The tariff measure timeline shows all 26 tracked U.S. tariff measures in chronological order. It covers Section 301 China lists, FYR escalation, forced labor, MPF, and HMF from USITC HTS and USTR sources.
How is the timeline organized?
The timeline is sorted chronologically by effective date (oldest to newest). It is organized into current, upcoming, and historical sections. Each measure shows the name, family badge, rate, effective date, and status.
How many measures are currently active?
There are 18 currently active measures across all tariff families. These include Section 301 legacy lists, FYR escalation headings, forced-labor S301 measures, and MPF/HMF provisions.
What is the color coding?
Blue = Section 301 China lists. Orange = FYR China escalation. Red = Forced labor S301. Gray = MPF & HMF. Each family has its own color consistently throughout the page.
Where does this data come from?
All measure data is sourced from the USITC HTS REST API and USTR. The data is refreshed at build time from canonical JSON files in the TariffCatalog data pipeline.
Can I check a specific product against these measures?
Yes. 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 all applicable rates for a complete landed cost estimate.
Check Tariff Treatment for Your Product
Use the Section 301 Tariff Checker and Import Duty Calculator to verify applicable measures and estimate total landed cost for a specific product and origin.
Data provenance: USITC HTS REST API · USTR · Federal Register · CBP
Last reviewed: August 2026
Tracker generated: August 28, 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.