Customs rule changes

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50 of 121 acts · Sources checked on 27 October 2026. Titles are given as published, in the language of the official publication.

  1. US Tariff change

    Request for Comments on Further Suspension of Section 301 Action: China's Targeting of the Maritime, Logistics, and Shipbuilding Sectors for Dominance

    FR Doc. 2026-21755 · 91 FR 67388 · Source: federalregister.gov

  2. US Tariff change

    Implementing the Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    FR Doc. 2026-21599 · 91 FR 66627 · EO 14436 · Source: federalregister.gov

  3. US Tariff change

    Guidance to U.S. Customs and Border Protection Regarding the Assessment of “U.S. Content” for Purposes of Implementing Tariffs Pursuant to Clause (2)(D) of Proclamation 11032 of June 1, 2026

    FR Doc. 2026-20938 · 91 FR 65162 · Source: federalregister.gov

  4. US Tariff change

    Columbus Day, 2026

    FR Doc. 2026-20972 · 91 FR 65075 · Proclamation 11073 · Source: federalregister.gov

  5. US Tariff change

    National Manufacturing Day, 2026

    FR Doc. 2026-20629 · 91 FR 64251 · Proclamation 11071 · Source: federalregister.gov

  6. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 21

    2026HTSRev21 · Source: hts.usitc.gov

  7. US Tariff change

    New Mexico Institute of Mining and Technology et.al, Notice of Decision on Application for Duty-Free Entry of Scientific Instruments

    FR Doc. 2026-20490 · 91 FR 63521 · Source: federalregister.gov

  8. US Tariff change

    Guidance and Procedures for Implementing Tariff Adjustments for Specialty Pharmaceuticals and Associated Pharmaceutical Ingredients and Technical Corrections to the Harmonized Tariff Schedule of the United States for Duties Imposed Under Proclamation 11020

    FR Doc. 2026-19498 · 91 FR 60360 · Source: federalregister.gov

    Codes mentioned: 2903.452903.512903.592903.692903.782903.792903.892903.922904.992905.292905.392905.59 …

  9. US Tariff change

    Enhancing Program Integrity and Interagency Coordination in the Administration of the H-1B Nonimmigrant Visa Program

    FR Doc. 2026-19555 · 91 FR 60501 · EO 14431 · Source: federalregister.gov

  10. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 20

    2026HTSRev20 · Source: hts.usitc.gov

  11. US Tariff change

    Quarterly IRS Interest Rates Used in Calculating Interest on Overdue Accounts and Refunds of Customs Duties

    FR Doc. 2026-19292 · 91 FR 60141 · Source: federalregister.gov

  12. US Tariff change

    UChicago Argonne LLC. et al.; Notice of Decision on Application for Duty-Free Entry of Scientific Instruments

    FR Doc. 2026-18935 · 91 FR 58642 · Source: federalregister.gov

  13. US Tariff change

    Patriot Day 2026, the 25th Anniversary of the September 11 Terrorist Attacks

    FR Doc. 2026-18959 · 91 FR 58571 · Proclamation 11066 · Source: federalregister.gov

  14. US Tariff change

    Excluding Certain Canadian Products From Importation Into the United States in Response to Continued Discrimination Against the Commerce of the United States With Respect to Alcoholic Beverages

    FR Doc. 2026-18835 · 91 FR 58311 · Proclamation 11061 · Source: federalregister.gov

  15. US Tariff change

    Excluding Certain Canadian Products From Importation Into the United States in Response to Continued Discrimination Against the Commerce of the United States With Respect to Dairy

    FR Doc. 2026-18836 · 91 FR 58319 · Proclamation 11062 · Source: federalregister.gov

  16. US Tariff change

    Excluding Certain Canadian Products From Importation Into the United States in Response to Continued Discrimination Against the Commerce of the United States With Respect to Motor Vehicles

    FR Doc. 2026-18837 · 91 FR 58325 · Proclamation 11063 · Source: federalregister.gov

  17. US Tariff change

    Modifying the Scope of Products of Canada Subject to the Additional Duties Imposed To Offset Canadian Discrimination Against the Commerce of the United States With Respect to Alcoholic Beverages

    FR Doc. 2026-18838 · 91 FR 58331 · Proclamation 11064 · Source: federalregister.gov

  18. US Tariff change

    Modifying the Scope of Products of Canada Subject to the Additional Duties Imposed To Offset Canadian Discrimination Against the Commerce of the United States With Respect to Motor Vehicles

    FR Doc. 2026-18839 · 91 FR 58339 · Proclamation 11065 · Source: federalregister.gov

  19. US Tariff change

    Accelerating Access to Veterans' Benefits and Employment Opportunities

    FR Doc. 2026-18738 · 91 FR 58003 · EO 14426 · Source: federalregister.gov

  20. US Tariff change

    Labor Day, 2026

    FR Doc. 2026-18573 · 91 FR 57769 · Proclamation 11060 · Source: federalregister.gov

  21. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 19

    2026HTSRev19 · Source: hts.usitc.gov

  22. US Tariff change

    Northwestern University and Cornell University et. al; Application(s) for Duty-Free Entry of Scientific Instruments

    FR Doc. 2026-18179 · 91 FR 56858 · Source: federalregister.gov

  23. US Tariff change

    Establishing the United States Space Academy

    FR Doc. 2026-18141 · 91 FR 56737 · EO 14423 · Source: federalregister.gov

  24. US Tariff change

    Fifth Anniversary of the Attack at Abbey Gate

    FR Doc. 2026-17841 · 91 FR 55987 · Proclamation 11058 · Source: federalregister.gov

  25. US Tariff change

    Further Ensuring Affordable Beef for the American Consumer

    FR Doc. 2026-17842 · 91 FR 55989 · Proclamation 11059 · Source: federalregister.gov

    Codes mentioned: 0201.300202.30 …

  26. US Tariff change

    Declaring a National Emergency To Secure the United States Bulk-Power System

    FR Doc. 2026-17843 · 91 FR 55995 · EO 14421 · Source: federalregister.gov

  27. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 18

    2026HTSRev18 · Source: hts.usitc.gov

  28. US Tariff change

    New Mexico Institute of Mining and Technology et al.; Application(s) for Duty-Free Entry of Scientific Instruments

    FR Doc. 2026-17304 · 91 FR 54847 · Source: federalregister.gov

  29. US Tariff change

    Arizona State University et al.: Application(s) for Duty-Free Entry of Scientific Instruments

    FR Doc. 2026-17026 · 91 FR 53842 · Source: federalregister.gov

  30. US Tariff change

    Amending Procedures for Submissions by Importers of Automobiles Qualifying for Preferential Tariff Treatment Under the USMCA To Determine U.S. Content

    FR Doc. 2026-16859 · 91 FR 53602 · Source: federalregister.gov

  31. US Tariff change

    Adjusting Imports of Unmanned Aircraft Systems and Unmanned Aircraft Systems Components Into the United States

    FR Doc. 2026-16979 · 91 FR 53699 · Proclamation 11055 · Source: federalregister.gov

  32. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 17

    2026HTSRev17 · Source: hts.usitc.gov

  33. US Tariff change

    Pacific Northwest National Laboratory et al; Application(s) for Duty-Free Entry of Scientific Instruments

    FR Doc. 2026-16447 · 91 FR 52040 · Source: federalregister.gov

  34. US Tariff change

    UChicago Argonne LLC et al; Notice of Decision on Application for Duty-Free Entry of Scientific Instruments

    FR Doc. 2026-16448 · 91 FR 52040 · Source: federalregister.gov

  35. US Tariff change

    Adjusting Imports of Polysilicon and Its Derivatives Into the United States

    FR Doc. 2026-16400 · 91 FR 51975 · Proclamation 11052 · Source: federalregister.gov

  36. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 16

    2026HTSRev16 · Source: hts.usitc.gov

    Codes mentioned: 7020.00 …

  37. US Tariff change

    Request for Public Comments on the Proposed Implementation of Duties on Additional Aluminum, Steel, and Copper Derivative Articles Under Section 232

    FR Doc. 2026-15961 · 91 FR 50756 · Source: federalregister.gov

    Codes mentioned: 2711.122804.402901.227603.108303.008412.908419.908424.108426.128426.418515.908544.49 …

  38. US Tariff change

    Establishing the President's Military Spouse Commission

    FR Doc. 2026-16125 · 91 FR 51059 · EO 14417 · Source: federalregister.gov

  39. US Tariff change

    To Facilitate Positive Adjustment to Competition From Imports of Quartz Surface Products

    FR Doc. 2026-15975 · 91 FR 50645 · Proclamation 11051 · Source: federalregister.gov

    Codes mentioned: 6810.997020.00 …

  40. US Tariff change · Applies from:

    Notice of Reduction of Tariffs on Patented Pharmaceuticals and Pharmaceutical Ingredients for Products of the United Kingdom Implemented by Presidential Proclamation 11020

    FR Doc. 2026-15799 · 91 FR 49406 · Source: federalregister.gov

  41. US Tariff change

    Authorizing Cameron County, Texas, To Own, Operate, and Maintain the Brownsville and Matamoros Bridge in Brownsville, Texas

    FR Doc. 2026-15860 · 91 FR 50467 · Source: federalregister.gov

  42. US Tariff change

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 15

    2026HTSRev15 · Source: hts.usitc.gov

  43. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 14

    2026HTSRev14 · Source: hts.usitc.gov

  44. US Tariff change

    Notice of Actions in Section 301 Investigations of Acts, Policies, and Practices of Various Economies Related to the Failure of Each Economy To Impose and Effectively Enforce a Prohibition on the Importation of Goods Produced With Forced Labor

    FR Doc. 2026-15181 · 91 FR 47318 · Source: federalregister.gov

    Codes mentioned: 0805.900811.901207.301207.401207.501207.601207.991211.901301.901302.191515.901905.90 …

  45. US Tariff change

    Actions by the United States in the Investigations Under Section 301 of the Trade Act of 1974 of the Acts, Policies, and Practices of 60 Economies Related to the Failure of Each Economy To Impose and Effectively Enforce a Prohibition on the Importation of Goods Produced With Forced Labor

    FR Doc. 2026-15274 · 91 FR 47717 · Source: federalregister.gov

  46. US Tariff change

    Further Strengthening Actions Taken To Adjust Imports of Aluminum Into the United States

    FR Doc. 2026-14990 · 91 FR 46635 · Proclamation 11045 · Source: federalregister.gov

  47. US Tariff change

    Imposing Additional Duties To Offset Canadian Discrimination Against the Commerce of the United States With Respect to Alcoholic Beverages

    FR Doc. 2026-14991 · 91 FR 46639 · Proclamation 11046 · Source: federalregister.gov

  48. US Tariff change

    Imposing Additional Duties To Offset Canadian Discrimination Against the Commerce of the United States With Respect to Dairy

    FR Doc. 2026-14992 · 91 FR 46653 · Proclamation 11047 · Source: federalregister.gov

  49. US Tariff change

    Imposing Additional Duties To Offset Canadian Discrimination Against the Commerce of the United States With Respect to Motor Vehicles

    FR Doc. 2026-14997 · 91 FR 46663 · Proclamation 11048 · Source: federalregister.gov

  50. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 13

    2026HTSRev13 · Source: hts.usitc.gov