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Routine determination signal; read the chronology for procedural detail.
Order decision watch
Commerce final determinations can move to an Order only with the required injury posture.
Ammonium Sulfate From People's Republic of China: Notice of Court Decision Not in Harmony With Final Scope Ruling and Notice of Amended Final Scope Ruling Pursuant to Court Decision 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.
Ammonium Sulfate From the People's Republic of China: Final Results of the Expedited First Sunset Review of the Countervailing Duty Order As a result of this expedited sunset review, the U.S. Department of Commerce (Commerce) finds that revocation of the countervailing duty (CVD) order on ammonium sulfate from the People's Republic of China (China) would likely lead to the continuation or recurrence of countervailing subsidies at the levels indicated in the "Final Results of Review" section of this notice.
Ammonium Sulfate From the People's Republic of China: Final Affirmative Countervailing Duty Determination The Department of Commerce (the Department) determines that countervailable subsidies are being provided to producers and exporters of ammonium sulfate from the People's Republic of China (PRC). The period of investigation is January 1, 2015 through December 31, 2015.