Trade Cops Rule: Fancy Nitrogen Isotope is Chinese Dumping Too
Published Date: 9/1/2026
Notice
Summary
On August 12, 2026, the U.S. Court of International Trade (CIT or the Court) issued its final judgment in Cambridge Isotope Laboratories, Inc. v. United States, Court No. 23-00080 sustaining the U.S. Department of Commerce (Commerce)'s remand redetermination pertaining to the scope ruling for the antidumping and countervailing duty orders on Ammonium Sulfate from People's Republic of China finding enriched \15\N ammonium sulfate isotope to be included in the orders. Commerce is notifying the public that the CIT's final judgment is not in harmony with Commerce's scope ruling, and that Commerce is amending the scope ruling to find that enriched \15\N ammonium sulfate isotope is outside the scope of the orders.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
15N Ammonium Sulfate Excluded
On August 12, 2026, the U.S. Court of International Trade's judgment led Commerce to amend its March 16, 2023 Final Scope Ruling and find that enriched 15N ammonium sulfate isotope is outside the antidumping and countervailing duty orders on ammonium sulfate from China. This amended scope is applicable August 22, 2026.
Zero Cash Deposit and Liquidation
Commerce will instruct U.S. Customs and Border Protection that the cash deposit rate for enriched 15N ammonium sulfate isotope is zero percent pending any appeals. If the CIT's final judgment is not appealed or is upheld on appeal, Commerce will direct CBP to liquidate entries of the enriched 15N ammonium sulfate isotope without regard to antidumping and/or countervailing duties and to lift the suspension of liquidation.
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Key Dates
Department and Agencies
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