U.S. Department of Commerce: No Shipments from C.S. Aluminium Corporation

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September 14, 2026

The U.S. Department of Commerce has announced its final decision about C.S. Aluminium Corporation (CSAC). They have found that CSAC did not ship any common alloy aluminum sheet to the United States during the review period. This period was from April 1, 2024, to March 31, 2025.

The announcement was made in the Federal Register on September 14, 2026. It was confirmed by Sarah Keith from the Department of Commerce.

The Department of Commerce first published their preliminary findings on May 14, 2026. They invited people to give comments on these findings. However, no one gave any comments. Because of this, the preliminary findings were used in the final announcement.

According to the Department, since there were no shipments, there is no need for detailed calculations of dumping margins. They did not have to disclose any calculations, as there were none to make.

For those who might be affected by antidumping duties, the Department of Commerce has set rules. They have determined that for products by CSAC, there will be no duties to pay because there were no shipments. Any products that might have mistakenly come to the U.S. will be taxed at a general rate of 17.50 percent.

The Department has procedures in place if someone wants to seek an injunction through the U.S. Court of International Trade. This means certain steps will be taken to delay any immediate actions.

The cash deposit rates will not change for CSAC because there were no shipments. If other companies have participated in past reviews, those rates will remain in effect. For new companies without any reviews, the deposit rate will be the same as the general rate, which is 17.50 percent.

Lastly, this notice reminds importers that they need to file important certificates about antidumping duties. If they don’t, the Department might assume they are avoiding duties. This means they may have to pay double duties.

This acts as a final notice to parties involved and ensures compliance with the laws concerning aluminum imports from Taiwan.

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