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

    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

  2. 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

  3. US Anti-dumping

    Difluoromethane (R-32) From the People's Republic of China: Continuation of Antidumping Duty Order

    FR Doc. 2026-16297 · 91 FR 51658 · Source: federalregister.gov

    Codes mentioned: 29033824 …

  4. US Anti-dumping

    Rescission of Antidumping and Countervailing Duty Administrative Reviews

    FR Doc. 2026-16346 · 91 FR 51664 · Source: federalregister.gov

  5. US Anti-dumping

    Common Alloy Aluminum Sheet From the People's Republic of China, Bahrain, Brazil, Croatia, Egypt, Germany, India, Indonesia, Italy, Oman, Romania, Serbia, Slovenia, South Africa, Spain, Taiwan, and the Republic of Türkiye: Initiation and Preliminary Results of Changed Circumstances Reviews and Intent To Revoke the Antidumping and Countervailing Duty Orders, in Part

    FR Doc. 2026-16358 · 91 FR 51666 · Source: federalregister.gov

    Codes mentioned: 7606.117606.127606.917606.927607.11 …

  6. US Anti-dumping

    Ripe Olives From Spain: Final Results and Partial Rescission of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-16360 · 91 FR 51659 · Source: federalregister.gov

  7. US Anti-dumping

    Mattresses From Malaysia: Final Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16361 · 91 FR 51661 · Source: federalregister.gov

  8. US Countervailing duty

    Aluminum Extrusions From the People's Republic of China: Final Results of Countervailing Duty Administrative Review; 2024

    FR Doc. 2026-16362 · 91 FR 51662 · Source: federalregister.gov

    Codes mentioned: 6603.907604.217604.297606.127608.207609.007610.107610.907615.1076157615.207616.10 …

  9. 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

  10. 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 …

  11. US Countervailing duty

    Welded Stainless Line and Pressure Pipe From India and the Republic of Türkiye: Initiation of Countervailing Duty Investigations

    FR Doc. 2026-16194 · 91 FR 51432 · Source: federalregister.gov

    Codes mentioned: 7305.317306.117306.40 …

  12. US Anti-dumping

    Truck Bed Covers From China; Scheduling of the Final Phase of Countervailing Duty and Antidumping Duty Investigations

    FR Doc. 2026-16195 · 91 FR 51509 · Source: federalregister.gov

    Codes mentioned: 8708.29

  13. US Anti-dumping

    Perfluoroalkoxy Alkane From India; Institution of Antidumping and Countervailing Duty Investigations and Scheduling of Preliminary Phase Investigations

    FR Doc. 2026-16203 · 91 FR 51511 · Source: federalregister.gov

    Codes mentioned: 3904.69

  14. US Anti-dumping

    Initiation of Antidumping and Countervailing Duty Administrative Reviews

    FR Doc. 2026-16265 · 91 FR 51436 · Source: federalregister.gov

  15. US Anti-dumping

    Carbazole Violet Pigment 23 from India and the People's Republic of China: Final Results of Sunset Reviews and Revocation of the Antidumping Duty Orders

    FR Doc. 2026-16143 · 91 FR 51155 · Source: federalregister.gov

    Codes mentioned: 3204.17

  16. US Countervailing duty

    Carbazole Violet Pigment 23 From India: Final Results of Fourth Sunset Review and Revocation of Countervailing Duty Order

    FR Doc. 2026-16146 · 91 FR 51149 · Source: federalregister.gov

    Codes mentioned: 3204.17

  17. US Anti-dumping

    Circular Welded Carbon Steel Standard Pipe and Tube Products From the Republic of Türkiye: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16182 · 91 FR 51150 · Source: federalregister.gov

  18. US Anti-dumping

    Polyethylene Retail Carrier Bags From the People's Republic of China: Final Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16184 · 91 FR 51154 · Source: federalregister.gov

  19. US Anti-dumping

    Polyethylene Retail Carrier Bags From Malaysia: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-16185 · 91 FR 51156 · Source: federalregister.gov

  20. US Anti-dumping

    Certain Preserved Mushrooms From Poland: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16186 · 91 FR 51152 · Source: federalregister.gov

  21. 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 …

  22. US Countervailing duty

    Frozen Warmwater Shrimp From Ecuador: Final Results of Countervailing Duty Expedited Review

    FR Doc. 2026-15990 · 91 FR 50765 · Source: federalregister.gov

  23. US Anti-dumping

    Certain Preserved Mushrooms From the Netherlands: Preliminary Intent To Rescind Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-15993 · 91 FR 50763 · Source: federalregister.gov

  24. US Anti-dumping

    Certain Steel Nails From the United Arab Emirates: Preliminary Results and Partial Rescission of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-15997 · 91 FR 50795 · Source: federalregister.gov

  25. US Countervailing duty

    Oil Country Tubular Goods From the Republic of Türkiye: Final Results of Countervailing Duty Administrative Review; 2023

    FR Doc. 2026-16002 · 91 FR 50792 · Source: federalregister.gov

  26. US Countervailing duty

    Certain Softwood Lumber Products From Canada: Notice of Amended Final Results of Countervailing Duty Expedited Review; Notice of Reinstatement of Countervailing Duty Order

    FR Doc. 2026-16003 · 91 FR 50793 · Source: federalregister.gov

  27. US Anti-dumping

    Certain Carbon and Alloy Steel Cut-To-Length Plate From Italy: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16005 · 91 FR 50803 · Source: federalregister.gov

  28. US Anti-dumping

    Certain Stainless Steel Plate in Coils From Taiwan: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16006 · 91 FR 50766 · Source: federalregister.gov

  29. US Anti-dumping

    Certain Carbon and Alloy Steel Cut-To-Length Plate From Belgium: Preliminary Results, Preliminary Determination of No Shipments, and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16007 · 91 FR 50773 · Source: federalregister.gov

  30. US Anti-dumping

    Non-Refillable Steel Cylinders From the People's Republic of China: Preliminary Results and Partial Rescission of the Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16008 · 91 FR 50801 · Source: federalregister.gov

  31. US Anti-dumping

    Polyethylene Terephthalate Resin From the Sultanate of Oman: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16009 · 91 FR 50780 · Source: federalregister.gov

  32. US Anti-dumping

    Silicomanganese From India: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16012 · 91 FR 50771 · Source: federalregister.gov

  33. US Anti-dumping

    Forged Steel Fittings From Taiwan: Final Results of Antidumping Duty Administrative Review; 2023-2024

    FR Doc. 2026-16014 · 91 FR 50777 · Source: federalregister.gov

  34. US Countervailing duty

    Certain Carbon and Alloy Steel Cut-to-Length Plate From the Republic of Korea: Preliminary Results and Rescission, in Part of Countervailing Duty Administrative Review; 2024

    FR Doc. 2026-16017 · 91 FR 50784 · Source: federalregister.gov

  35. US Countervailing duty

    Organic Soybean Meal From India: Preliminary Results and Partial Rescission of Countervailing Duty Administrative Review; 2024

    FR Doc. 2026-16018 · 91 FR 50769 · Source: federalregister.gov

  36. US Anti-dumping

    Fiberglass Door Panels From the People's Republic of China: Antidumping Duty Order and Countervailing Duty Order

    FR Doc. 2026-16033 · 91 FR 50797 · Source: federalregister.gov

    Codes mentioned: 3925.204418.297019.90 …

  37. US Anti-dumping

    Certain Carbon and Alloy Steel Cut-to-Length Plate From the Federal Republic of Germany: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16034 · 91 FR 50760 · Source: federalregister.gov

  38. US Anti-dumping

    Carbon and Alloy Steel Cut-to-Length Plate From the Republic of Korea: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16036 · 91 FR 50782 · Source: federalregister.gov

  39. US Anti-dumping

    Notice of Scope Ruling Applications Filed in Antidumping and Countervailing Duty Proceedings

    FR Doc. 2026-16039 · 91 FR 50759 · Source: federalregister.gov

  40. US Anti-dumping

    Citric Acid and Certain Citrate Salts From the People's Republic of China: Preliminary Results of the Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16041 · 91 FR 50778 · Source: federalregister.gov

  41. US Anti-dumping

    Certain Magnesia Carbon Bricks From the People's Republic of China: Rescission of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-16051 · 91 FR 50776 · Source: federalregister.gov

  42. US Anti-dumping

    Certain Corrosion Inhibitors From the People's Republic of China: Continuation of Antidumping Duty and Countervailing Duty Orders

    FR Doc. 2026-16052 · 91 FR 50758 · Source: federalregister.gov

    Codes mentioned: 2933.99 …

  43. US Anti-dumping

    Disposable Aluminum Containers, Pans, Trays, and Lids From the People's Republic of China: Initiation of Circumvention Inquiries on the Antidumping and Countervailing Duty Orders

    FR Doc. 2026-16053 · 91 FR 50787 · Source: federalregister.gov

  44. US Anti-dumping

    Certain Tissue Paper Products From the People's Republic of China: Initiation of Circumvention Inquiry of the Antidumping Duty Order

    FR Doc. 2026-16056 · 91 FR 50789 · Source: federalregister.gov

    Codes mentioned: 48024804.314805.914820.509505.90 …

  45. US Anti-dumping

    Prestressed Concrete Steel Wire Strand From the People's Republic of China: Final Results of the Expedited Third Sunset Review of the Antidumping Duty Order

    FR Doc. 2026-16057 · 91 FR 50762 · Source: federalregister.gov

  46. US Tariff change

    Establishing the President's Military Spouse Commission

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

  47. US Anti-dumping

    Diffusion-Annealed, Nickel-Plated Flat-Rolled Steel Products From Japan: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025

    FR Doc. 2026-15877 · 91 FR 50517 · Source: federalregister.gov

  48. US Countervailing duty

    Certain Fatty Acids From Indonesia: Preliminary Determination of Critical Circumstances, in Part, in the Countervailing Duty Investigation

    FR Doc. 2026-15890 · 91 FR 50515 · Source: federalregister.gov

  49. 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 …

  50. US Anti-dumping

    Linear Hydraulic Cylinders From Canada, China, India, Mexico, and South Korea; Institution of Antidumping and Countervailing Duty Investigations and Scheduling of Preliminary Phase Investigations

    FR Doc. 2026-15722 · 91 FR 49442 · Source: federalregister.gov

    Codes mentioned: 8412.218412.90