U.S. Tariff Monthly Report

Published at the start of each month: a digest of the previous month's U.S. tariff changes — duty and quantity actions in effect (Section 232/338), the quota and fee calendar, Section 337 IP actions, and a watch list. Latest issue: 202609 (Federal Register actions published Sep 1 – Sep 25, 2026 — 27 FR notices, 3 deep dives); every issue since January 2026 is archived below with free downloads.

In this issue (September 2026 · Issue 202609)

Polysilicon 232 anti-stockpiling rule (91 FR 60505)
Weekly caps for new importers of record: polysilicon 2804.61.00 at 12 kg/week, doped polysilicon products 7 kg/week, photosensitive devices 8541.42.00 at 2,000 units/week; over-cap importers are barred from further entries, in effect through 2026-12-04.
Section 232 pharma zero-rate heading (91 FR 60360)
New heading 9903.04.70: pharmaceutical articles and associated ingredients solely for clinical trials, R&D, or other non-commercial use enter at "otherwise-applicable rate + 0%", avoiding the 100% additional tariff of Proclamation 11020.
Canada 338 scope changes + Q4 rates (Proclamations 11064/11065)
The 50% additional-duty lists for motor vehicles (8701–8705) and alcoholic beverages (2203–2208) were modified effective Sep 15; from Oct 1 the Q4 customs underpayment interest rate is 7% and the FY2027 raw sugar supplementary TRQ (55,993 MTRV) becomes enterable.

Subscribe (free): one email per month, plus instant access to the current issue (September 2026 · Issue 202609)

Prefer not to subscribe? Direct downloads: 中文版 PDF · English PDF

Report Archive

Issue number = covered year-month. Both language PDFs open directly.

Issue 202608 (2026-08)中文 PDF · English PDF
Canada alcohol duty suspended · CBP IOR data enforcement · four Customs-Enforcement Areas
Issue 202607 (2026-07)中文 PDF · English PDF
Canada 338 proclamations (50%) · 60-economy 301 actions · FY2027 quotas and fees
Issue 202606 (2026-06)中文 PDF · English PDF
De minimis indefinitely suspended (all modes) · metals 232 adjusted · Germany pharma 301
Issue 202605 (2026-05)中文 PDF · English PDF
Pharma 232 onshoring agreements · US-Taiwan tariff elements · Q2 interest rates
Issue 202604 (2026-04)中文 PDF · English PDF
Metals 232 intensified (11021 corrections) · de minimis extended · annual HTS modification process
Issue 202603 (2026-03)中文 PDF · English PDF
Two waves of 301 investigations · 232 auto-parts inclusions window · TOPCon solar 337
Issue 202602 (2026-02)中文 PDF · English PDF
Ending Certain Tariff Actions · de minimis continued · Russia duties modified
Issue 202601 (2026-01)中文 PDF · English PDF
Electronic refunds · postal rate-increase cap · Gordie Howe Bridge port of entry

What's in every issue

Month at a glance: tracked-notice stats + the three actions that matter most
Deep dives: impact analysis of 2–3 substantive duty/quantity actions
Quota, fee, and interest-rate calendar: TRQs, license fees, quarterly rates
Section 337 IP actions: institutions, reviews, exclusion orders
Procedural notices: ANPRMs, pilots, information-collection items
Next-month watch list: deadlines, effective dates, expirations
Appendix: every tracked notice in one table

Report FAQ

Is the report free? Will you spam me?

Free. One email per month (the current PDF, download links, and a one-line summary), sourced entirely from public Federal Register data; every email carries an unsubscribe link — one click removes you.

How is this different from the Tariff Radar alerts?

The Radar is real-time: it scans the Federal Register every 12 hours and emails you as notices land. The report is the monthly retrospective: everything that happened, packaged with analysis as a PDF you can forward. You can subscribe to both.

How are issues numbered? Where are past reports?

Issue numbers are the covered year-month (e.g., Issue 202609 covers September 2026); each issue is published at the start of the following month. The archive below lists every issue since January 2026, with direct PDF downloads in both languages.

How accurate is the data?

Every item carries its FR document number with a link to the original text, and the report is written "as of" a stated date — the FR original always prevails. The report is general information, not legal or customs advice.