Commerce Updates Tariffs on Car Parts for National Security Reasons

2026-06449 — Certain Corrosion-Resistant Steel Products from the Republic of Korea: Initiation of Circumvention Inquiry on the Antidumping and Countervailing Duty Orders

The U.S. Department of Commerce is checking if certain corrosion-resistant steel products made in Korea but finished in Thailand are sneaking around existing trade rules. This affects steel companies like Nucor and Steel Dynamics, who want these products to face the same duties as Korean steel. The inquiry started April 2, 2026, and could lead to new duties that impact prices and imports.

2026-06448 — 1,1,1,2-Tetrafluoroethane (R-134a) From the People's Republic of China: Final Results of Antidumping Duty Administrative Review; 2023-2024

The U.S. Department of Commerce found that China sold 1,1,1,2-Tetrafluoroethane (R-134a) in the U.S. for less than fair value from April 2023 to March 2024. This means importers might face new antidumping duties starting April 2, 2026, to keep things fair for American businesses. Deadlines were pushed back due to government shutdowns, but now the final results are in and ready to roll!

2026-06447 — Granular Polytetrafluoroethylene Resin From India: Amended Final Results of Antidumping Duty Administrative Review; 2023-2024

The U.S. Department of Commerce fixed some math mistakes in the review of Granular PTFE resin imports from India for March 2023 to February 2024. This change mainly affects Gujarat Fluorochemicals Limited and could adjust the duties they owe. The updated results took effect on April 2, 2026, making sure the trade rules are fair and accurate.

2026-06418 — Antidumping or Countervailing Duty Order, Finding, or Suspended Investigation; Opportunity To Request Administrative Review and Join Annual Inquiry Service List

If you’re involved in importing goods that might be subject to special U.S. taxes called antidumping or countervailing duties, now’s your chance to ask for a review or join the annual update list. The Department of Commerce is setting deadlines and rules for who gets reviewed, using import data to pick companies. Act fast—missing deadlines could mean missing out on important changes that might affect your costs or business.

2026-06450 — Oleoresin Paprika From India: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Preliminary Negative Determination of Critical Circumstances, Postponement of Final Determination, and Extension of Provisional Measures

The U.S. Department of Commerce says Indian oleoresin paprika is being sold in the U.S. for less than it should be, which could mean extra duties soon. They’re still checking the details and have pushed back the final decision, so importers and sellers should stay tuned. This could affect prices and trade rules starting from April 2026.

2026-06420 — Fresh Tomatoes From Mexico: Extension of Deadline To Certify

If you import fresh tomatoes from Mexico for processing between February 18 and April 15, 2026, you now have extra time to submit the required certification forms. The U.S. Department of Commerce extended the deadline to help importers meet these new rules without rushing. This means no penalties if you file your paperwork by the new deadline, keeping your tomato business running smoothly!

Previous: 2026-04030 — Current List of HHS-Certified Laboratories and Instrumented Initial Testing Facilities Which Meet Minimum Standards To Engage in Urine and Oral Fluid Drug Testing for Federal Agencies

This notice lists all the labs and testing centers certified by HHS to do urine and oral fluid drug tests for federal agencies. If a lab loses its certification, it’s taken off the list until it’s fixed. This update helps federal workers and agencies know which places meet the rules, keeping drug testing fair and reliable.

Next: 2026-04032 — Foreign Endangered Species; Receipt of Permit Applications

The U.S. Fish and Wildlife Service is asking for public comments on permit applications to work with endangered animals from other countries. These permits are needed because the law usually stops activities with endangered species unless approved. If you care about wildlife, now’s the time to speak up before April 1, 2026, to help decide who gets permission and how these precious animals are treated.