Changelog

Tariff Simulator updates

Track the latest updates to tariff rates, Section 232 changes, and new features in the yaoohe Tariff Simulator.

Last updated: Sep 22, 2026

All updates

  1. Sep 22, 2026Effective Sep 29, 2026

    Section 232 Pharmaceuticals tariffs

    Updated Section 232 Pharmaceuticals tariffs as per guidance published by the Bureau of Industry and Security (BIS) on Sep 21.

  2. Sep 9, 2026Effective Sep 15, 2026

    Section 338 & 232 tariffs on products of Canada

    Updated the applicability of Section 338 tariffs and Section 232 tariffs on products of Canada per proclamations published on Sep 08.

  3. Aug 19, 2026Effective Aug 22, 2026

    Section 338 start date on Canada

    Updated the start date of the Section 338 tariffs on Canada per the proclamation published on Aug 18.

  4. Aug 15, 2026Effective Sep 3, 2026

    Section 232 — Unmanned Aircraft Systems

    Added support for new Section 232 tariffs on Unmanned Aircraft Systems (UAS) and components.

  5. Aug 7, 2026Effective Dec 4, 2026

    Section 232 — Polysilicon

    Implemented changes to Section 232 imports for polysilicon and its derivatives per the proclamation published on Aug 6.

  6. Aug 1, 2026Effective Jul 31, 2026

    UK patented pharmaceuticals to 0%

    Updated the duty rate for patented pharmaceutical products from the UK to 0% based on Federal Register notice 260731-0181.

  7. Jul 25, 2026Effective Jul 24, 2026

    Section 301 — 60 economies (FLIP)

    Rolled out Section 301 tariffs on imports from 60 economies as detailed in the USTR Notice of Action on Forced Labor Import Prohibition (FLIP) Investigations.

  8. Jul 22, 2026Effective Aug 19, 2026

    Section 338 tariffs on Canada

    Implemented Section 338 tariffs on imports from Canada as detailed in the Presidential Proclamations on Canadian discrimination with respect to Motor Vehicles, Alcoholic Beverages, and Dairy.

  9. Jul 17, 2026Effective Jul 22, 2026

    Section 301 — Brazil

    Implemented Section 301 tariffs on imports from Brazil as outlined in Federal Register notice 2026-14542, following the USTR’s final action on Brazil’s trading practices.

  10. Jun 3, 2026Effective Jun 8, 2026

    Section 232 — Aluminum, Copper, Steel

    Applied further adjustments to Section 232 tariffs on Aluminum, Copper, and Steel as per the Presidential Proclamation published on June 1.

  11. May 28, 2026Effective Retroactive from May 1, 2026

    US–Taiwan Trade and Security Agreement

    Implemented tariff-related elements of the newly announced US-Taiwan Trade and Security Agreement as outlined in Federal Register notice 2026-10571.

  12. Apr 27, 2026Effective Retroactive from Apr 6, 2026

    Section 232 technical corrections

    Applied technical corrections to Section 232 tariffs as noted in Federal Register notice 2026-08297.

  13. Apr 9, 2026Effective Jul 31, 2026

    Section 232 — Pharmaceuticals

    Implemented the Section 232 tariffs on imports of Pharmaceuticals and Pharmaceutical Ingredients per the proclamation published on Apr 2.

  14. Apr 5, 2026Effective Apr 6, 2026

    Section 232 — Aluminum, Copper, Steel

    Implemented changes to the Section 232 Aluminum, Copper and Steel tariffs per the proclamation published on Apr 2.

  15. Feb 21, 2026Effective Feb 24, 2026

    Section 122 surcharge & IEEPA disabled

    Implemented the Section 122 Temporary Import Surcharge and disabled IEEPA tariffs per CSMS #67834313.

  16. Feb 7, 2026Effective Feb 7, 2026

    India Russian-oil tariffs terminated

    Terminated the additional 25% tariffs on India for Russian oil imports as per the Executive Order.

  17. Jan 15, 2026Effective Jan 15, 2026

    Section 232 — Semiconductors

    Implemented the Section 232 tariffs on semiconductors, semiconductor manufacturing equipment, and their derivative products.

  18. Jan 2, 2026Effective Jan 1, 2026

    Upholstered furniture & cabinets

    Updated the duty rates for upholstered furniture, kitchen cabinets and vanities per the proclamation published in December.

  19. Dec 30, 2025Effective Jan 1, 2026

    Nicaragua action implemented

    Implemented tariffs in the notice of implementation of action on Nicaragua.

  20. Dec 24, 2025Effective Retroactive from Dec 23, 2025

    China semiconductor tariff reduction

    Implemented China semiconductor tariff reduction per the notice of action.

  21. Dec 18, 2025Effective Retroactive from Nov 14, 2025

    US–Switzerland–Liechtenstein Agreement

    Implemented tariff-related elements of the U.S.–Switzerland–Liechtenstein Agreement on Fair, Balanced, and Reciprocal Trade.

  22. Dec 4, 2025Effective Retroactive from Nov 1 and Nov 14, 2025

    US–Korea Strategic Trade and Investment Deal

    Implemented tariff-related elements of the U.S.-Korea Strategic Trade and Investment Deal.

  23. Nov 21, 2025Effective Retroactive from Nov 13, 2025

    Brazil Annex I expansion

    Expanded Brazil's Annex I list by adding agricultural products mentioned in the executive order published on Nov 20.

  24. Nov 16, 2025Effective Retroactive from Nov 13, 2025

    Annex II modification

    Modified the Annex II list by adding agricultural products following the executive order published on Nov 14.

  25. Nov 2, 2025Effective Nov 10, 2025

    China duty rates update

    Updated duty rates for imports from China as per the fact sheet published on whitehouse.gov on Nov 1, 2025.

  26. Oct 20, 2025Effective Nov 1, 2025

    Section 232 — Medium- and Heavy-Duty Vehicles

    Updated with the presidential proclamation of Fri, Oct 17 announcing new Section 232 tariffs on Medium- and Heavy-Duty Vehicles, Buses and Parts.

  27. Oct 16, 2025Effective Nov 9, 2025

    Section 301 — STS Cranes

    Implemented the Section 301 tariffs on STS Cranes and Other Cargo Handling Equipment.

  28. Sep 30, 2025Effective Oct 14, 2025

    Section 232 — Timber & Lumber

    Implemented the Section 232 tariffs on timber, lumber and their derivative products as per the presidential proclamation dated Sep 29.

  29. Sep 25, 2025Effective Retroactive from Aug 1 and Sep 1, 2025

    United States–E.U. Agreement

    Implemented the United States-E.U. Agreement.

  30. Sep 24, 2025

    EU/JP 15% max duty rate display

    Updated the display of EU/JP 15% max duty rate as per this CSMS.

  31. Sep 16, 2025Effective Retroactive from Aug 7 and Sep 16, 2025

    United States–Japan Agreement

    Implemented the United States-Japan Agreement.

  32. Sep 6, 2025Effective Sep 8, 2025

    Annex II list update

    Updated the Annex II list as per this Executive Order.

  33. Aug 29, 2025

    Section 301 exclusion codes expiry

    301 exclusion codes 9903.88.69, 9903.88.70 will expire on Nov 30, 2025 as per the latest guidance from USTR.

  34. Aug 26, 2025Effective Aug 27, 2025

    India IEEPA tariff

    Additional 25% IEEPA tariff on India for Russian oil imports (EO 14329, effective Aug 27, 2025).

  35. Aug 16, 2025Effective Aug 18, 2025

    Section 232 — Steel & Aluminum

    Updated with newly announced Section 232 tariffs on steel and aluminum products.

Stay updated

The yaoohe Tariff Simulator is continuously updated to reflect the latest tariff changes, Section 232 updates, and trade policy modifications. We implement changes based on official Federal Register notices, Executive Orders, and CBP guidance.

Update frequency

Updates are implemented within 1–2 days of official announcements to reflect the latest tariff changes, Section 232 actions, and trade policy modifications.