U.S. Tariff Monthly Report
A monthly digest of U.S. tariff changes that matter to cross-border sellers: duty and quantity actions in effect this month (Section 232/338), the quota and fee calendar, Section 337 IP actions, and a next-month watch list. Latest issue: September 2026 · Issue 01, covering Federal Register actions published Sep 1 – Sep 25, 2026 — 27 FR notices, 3 deep dives, free to download.
In this issue (September 2026 · Issue 01)
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 01)
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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 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.
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