Customs rule changes

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50 of 1,130 acts · Sources checked on 5 November 2026. Titles are given as published, in the language of the official publication.

  1. US Tariff change

    Implementing Certain Tariff-Related Elements of a Trade and Security Agreement Between the American Institute in Taiwan and the Taipei Economic and Cultural Representative Office in the United States

    FR Doc. 2026-10571 · 91 FR 31818 · Source: federalregister.gov

    Codes mentioned: 7304.317304.397304.417304.497304.517304.597304.907306.307306.407306.507306.617306.69 …

  2. US Anti-dumping

    Difluoromethane (R-32) From the People's Republic of China: Final Results of the Expedited First Sunset Review of the Antidumping Duty Order

    FR Doc. 2026-10624 · 91 FR 31700 · Source: federalregister.gov

  3. US Anti-dumping

    Certain Large Vertical Shaft Engines Between 225cc and 999cc, and Parts Thereof From the People's Republic of China: Final Results of the Expedited First Sunset Review of the Antidumping Duty Order

    FR Doc. 2026-10625 · 91 FR 31702 · Source: federalregister.gov

  4. US Anti-dumping

    Xanthan Gum From the People's Republic of China: Notice of Court Decision Not in Harmony With the Results of Antidumping Duty Administrative Review; Notice of Amended Final Results

    FR Doc. 2026-10627 · 91 FR 31701 · Source: federalregister.gov

    Codes mentioned: 2701.12

  5. US Anti-dumping

    Crystalline Silicon Photovoltaic Cells, Whether or Not Assembled Into Modules, From Indonesia: Amended Preliminary Affirmative Determination of Sales at Less Than Fair Value

    FR Doc. 2026-10519 · 91 FR 31429 · Source: federalregister.gov

  6. US Anti-dumping

    Certain Monomers and Oligomers from the Republic of Korea: Final Affirmative Determination of Sales at Less Than Fair Value and Final Affirmative Determination of Critical Circumstances

    FR Doc. 2026-10520 · 91 FR 31415 · Source: federalregister.gov

    Codes mentioned: 2916.122916.143824.993907.293907.30 …

  7. US Anti-dumping

    Large Diameter Welded Pipe From the Republic of Türkiye: Preliminary Results and Rescission, In Part, of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-10522 · 91 FR 31420 · Source: federalregister.gov

  8. US Anti-dumping

    High Purity Dissolving Pulp From Brazil: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postponement of Final Determination, and Extension of Provisional Measures

    FR Doc. 2026-10523 · 91 FR 31418 · Source: federalregister.gov

    Codes mentioned: 4702.004706.304706.92 …

  9. US Anti-dumping

    Certain Aluminum Foil From the People's Republic of China: Amended Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-10525 · 91 FR 31423 · Source: federalregister.gov

  10. US Countervailing duty

    Stationary and Portable Air Compressors From the People's Republic of China, Malaysia, and the Socialist Republic of Vietnam: Initiation of Countervailing Duty Investigations

    FR Doc. 2026-10526 · 91 FR 31425 · Source: federalregister.gov

    Codes mentioned: 8414.80 …

  11. US Anti-dumping

    High Purity Dissolving Pulp From Norway: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postponement of Final Determination, and Extension of Provisional Measures

    FR Doc. 2026-10527 · 91 FR 31413 · Source: federalregister.gov

    Codes mentioned: 4701.004702.004706.304706.92

  12. US Anti-dumping

    Distribution of Continued Dumping and Subsidy Offset to Affected Domestic Producers

    FR Doc. 2026-10350 · 91 FR 30804 · Source: federalregister.gov

  13. US Countervailing duty

    Certain Corrosion Inhibitors From the People's Republic of China: Preliminary Results and Rescission, in Part, of Countervailing Duty Administrative Review; 2024

    FR Doc. 2026-10357 · 91 FR 30616 · Source: federalregister.gov

  14. US Anti-dumping

    Certain Paper Shopping Bags From Colombia: Notice of Court Decision Not in Harmony With the Final Determination of Antidumping Investigation; Notice of Amended Final Determination; Notice of Amended Antidumping Duty Order, in Part

    FR Doc. 2026-10402 · 91 FR 30615 · Source: federalregister.gov

  15. US Tariff change · Applies from:

    Harmonized Tariff Schedule of the United States — 2026 HTS Revision 9

    2026HTSRev9 · Source: hts.usitc.gov

  16. US Anti-dumping

    Chromium Trioxide From India: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postponement of Final Determination, and Extension of Provisional Measures

    FR Doc. 2026-10248 · 91 FR 30276 · Source: federalregister.gov

    Codes mentioned: 2819.10

  17. US Anti-dumping

    Chromium Trioxide From the Republic of Türkiye: Preliminary Affirmative Determination of Sales at Less Than Fair Value

    FR Doc. 2026-10249 · 91 FR 30280 · Source: federalregister.gov

    Codes mentioned: 2819.10

  18. US Customs procedure

    Automated Commercial Environment (ACE) Export Manifest for Vessel Cargo Test: Renewal of Test

    FR Doc. 2026-10251 · 91 FR 30321 · Source: federalregister.gov

  19. US Countervailing duty

    Unwrought Palladium from the Russian Federation: Final Affirmative Countervailing Duy Determination

    FR Doc. 2026-10342 · 91 FR 30283 · Source: federalregister.gov

    Codes mentioned: 7110.217110.29

  20. US Anti-dumping

    Certain Preserved Mushrooms From Poland: Final Results of Antidumping Duty Administrative Review; 2022-2024

    FR Doc. 2026-10343 · 91 FR 30284 · Source: federalregister.gov

  21. US Anti-dumping

    Certain Superabsorbent Polymers From the Republic of Korea: Preliminary Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-10344 · 91 FR 30278 · Source: federalregister.gov

  22. US Tariff change

    To Implement Certain Provisions in the Consolidated Appropriations Act, 2026, and for Other Purposes

    FR Doc. 2026-10398 · 91 FR 30469 · Proclamation 11030 · Source: federalregister.gov

  23. US Anti-dumping

    Certain Steel Nails From the United Arab Emirates: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-10051 · 91 FR 29451 · Source: federalregister.gov

  24. US Anti-dumping

    Welded Stainless Steel Pressure Pipe From the Socialist Republic of Vietnam: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-10052 · 91 FR 29455 · Source: federalregister.gov

  25. US Anti-dumping

    Polypropylene Corrugated Boxes From the Socialist Republic of Vietnam: Final Affirmative Determination of Sales at Less Than Fair Value, and Final Affirmative Determination of Critical Circumstances

    FR Doc. 2026-10109 · 91 FR 29457 · Source: federalregister.gov

    Codes mentioned: 3923.10

  26. US Anti-dumping

    Certain Freight Rail Couplers and Parts Thereof From the People's Republic of China: Rescission of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-10111 · 91 FR 29453 · Source: federalregister.gov

  27. US Anti-dumping

    Certain Crepe Paper Products From the People's Republic of China: Final Results of the Expedited Fourth Sunset Review of the Antidumping Duty Order

    FR Doc. 2026-10112 · 91 FR 29454 · Source: federalregister.gov

  28. US Anti-dumping

    Certain Steel Nails From the People's Republic of China: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-10004 · 91 FR 29113 · Source: federalregister.gov

  29. US Countervailing duty

    Certain Corrosion Inhibitors From the People's Republic of China: Final Results of the Expedited First Sunset Review of the Countervailing Duty Order

    FR Doc. 2026-10006 · 91 FR 29112 · Source: federalregister.gov

  30. US Anti-dumping

    Certain Corrosion Inhibitors From the People's Republic of China: Final Results of the Expedited First Sunset Review of the Antidumping Duty Order

    FR Doc. 2026-10007 · 91 FR 29114 · Source: federalregister.gov

  31. US Anti-dumping

    Non-Oriented Electrical Steel From Sweden, Germany, the People's Republic of China, the Republic of Korea, Taiwan and Japan: Continuation of Antidumping Duty Orders and Countervailing Duty Orders

    FR Doc. 2026-09826 · 91 FR 28573 · Source: federalregister.gov

    Codes mentioned: 7225.197225.507225.997226.197226.927226.99 …

  32. US Anti-dumping

    Polyethylene Terephthalate Resin From the Sultanate of Oman: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-09828 · 91 FR 28554 · Source: federalregister.gov

  33. US Countervailing duty

    Tris(hydroxymethyl)aminomethane From the People's Republic of China: Initiation of Countervailing Duty Investigation

    FR Doc. 2026-09831 · 91 FR 28559 · Source: federalregister.gov

    Codes mentioned: 2922.19

  34. US Tariff change

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

    FR Doc. 2026-09871 · 91 FR 28601 · Source: federalregister.gov

  35. US Anti-dumping

    Silicomanganese From India: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-09902 · 91 FR 28562 · Source: federalregister.gov

  36. US Anti-dumping

    Certain Corrosion-Resistant Steel Products From Taiwan: Final Results of the Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-09903 · 91 FR 28564 · Source: federalregister.gov

  37. US Anti-dumping

    Fresh Mushrooms From Canada: Preliminary Affirmative Countervailing Duty Determination and Alignment of Final Determination With Final Antidumping Duty Determination

    FR Doc. 2026-09910 · 91 FR 28571 · Source: federalregister.gov

    Codes mentioned: 0709.51

  38. US Anti-dumping

    Certain Vertical Shaft Engines Between 99cc and 225cc, and Parts Thereof, From the People's Republic of China: Affirmative Preliminary Determination of Circumvention of the Antidumping and Countervailing Duty Orders

    FR Doc. 2026-09911 · 91 FR 28555 · Source: federalregister.gov

  39. US Anti-dumping

    Certain Aluminum Foil from the Republic of Türkiye: Notice of Court Decision Not in Harmony with the Final Determination of Antidumping Investigation; Notice of Amended Final Determination

    FR Doc. 2026-09912 · 91 FR 28557 · Source: federalregister.gov

  40. US Anti-dumping

    Certain Carbon and Alloy Steel Cut-To-Length Plate From Belgium: Final Results of Antidumping Duty Administrative Review and Final Determination of No Shipments; 2023-2024

    FR Doc. 2026-09753 · 91 FR 27922 · Source: federalregister.gov

  41. US Anti-dumping

    Notice of Rescission of Antidumping and Countervailing Duty Administrative Reviews; Correction

    FR Doc. 2026-09754 · 91 FR 27913 · Source: federalregister.gov

  42. US Anti-dumping

    Non-Refillable Steel Cylinders from the People's Republic of China: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-09755 · 91 FR 27918 · Source: federalregister.gov

  43. US Anti-dumping

    Tapered Roller Bearings and Parts Thereof, Finished or Unfinished From the People's Republic of China: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-09756 · 91 FR 27920 · Source: federalregister.gov

    Codes mentioned: 8482.208482.918482.998483.208483.308483.908708.708708.99 …

  44. US Anti-dumping

    Common Alloy Aluminum Sheet From Taiwan: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-09688 · 91 FR 27250 · Source: federalregister.gov

  45. US Anti-dumping

    Certain Cold Drawn Mechanical Tubing of Carbon and Alloy Steel From Italy: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-09689 · 91 FR 27267 · Source: federalregister.gov

  46. US Anti-dumping

    Chromium Trioxide From India: Preliminary Affirmative Countervailing Duty Determination, and Alignment of Final Determination With Final Antidumping Duty Determination

    FR Doc. 2026-09690 · 91 FR 27244 · Source: federalregister.gov

    Codes mentioned: 2819.10

  47. US Anti-dumping

    Certain Corrosion-Resistant Steel Products From the Republic of Korea: Final Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-09691 · 91 FR 27252 · Source: federalregister.gov

    Codes mentioned: 7210.307210.417210.497210.617210.697210.707210.907212.207212.307212.407212.507212.60 …

  48. US Countervailing duty

    Certain Carbon and Alloy Steel Cut-to-Length Plate From the Republic of Korea: Final Results of Countervailing Duty Administrative Review; 2023

    FR Doc. 2026-09692 · 91 FR 27264 · Source: federalregister.gov

  49. US Anti-dumping

    Certain Hot-Rolled Steel Flat Products From the Republic of Korea: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-09707 · 91 FR 27268 · Source: federalregister.gov

  50. US Countervailing duty

    Large Diameter Welded Pipe From the Republic of Korea: Final Results of Countervailing Duty Administrative Review; 2023

    FR Doc. 2026-09708 · 91 FR 27246 · Source: federalregister.gov