Investigation / declaration start → effective, signing, or sunset date · Jan 2025 – Sep 2026
Section 232 (completed)
Section 232 (report not published)
Section 301
Section 122
Section 338
USMCA / T-MEC review
Simplified view — Mexico vs. rest of the world · after the Jul 24 handover (122 → 301)
Instruments — every authority in play
Federal Register — every EO, proclamation & notice behind the tariffs
All citations below were verified against the Federal Register API (documents.json) on Jul 24, 2026; each card links to the official document. Live feed of the newest documents appears first when the tracker runs on Cloudflare.
AI brief — proposed tracker updates
Workers AI reads the newest Federal Register documents and headlines, compares them against what this tracker currently asserts, and drafts the changes it thinks the data needs. Nothing here edits the tracker. Every item is a proposal for you to verify against the source before acting.
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News & negotiations — live
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