Mexican Pipe Duties Revised After Court Says Commerce Was Wrong
Published Date: 9/30/2026
Notice
Summary
The U.S. Department of Commerce is updating the antidumping duty results for light-walled rectangular pipe and tube from Mexico after a court decision. This affects companies Maquilacero, TEFLU, Perfiles, and Productos Laminados, changing their duty rates starting September 24, 2026. If you’re involved with these products, expect new pricing rules and possible financial impacts soon!
Analyzed Economic Effects
3 provisions identified: 0 benefits, 2 costs, 1 mixed.
New antidumping rates for three Mexican producers
Commerce amended the antidumping duty (AD) margins for light-walled rectangular pipe and tube from Mexico: Maquilacero S.A. de C.V./Tecnicas de Fluidos S.A. de C.V. (Maquilacero/TEFLU) now have a 10.67% dumping margin, and Perfiles L.M., S.A. de C.V. and Productos Laminados de Monterrey S.A. de C.V. each have a 6.06% dumping margin. These amended margins are effective September 24, 2026.
Suspended entries from Aug 1, 2020–Jul 31, 2021 remain on hold
Entries of subject merchandise produced/exported by Maquilacero/TEFLU, Perfiles, and Productos Laminados that were entered or withdrawn for consumption during August 1, 2020 through July 31, 2021 remain enjoined from liquidation by a Court of International Trade order. If the Court's September 14, 2026 ruling is not reconsidered or appealed (or is appealed and upheld), Commerce intends to instruct Customs and Border Protection to assess antidumping duties on those unliquidated entries where the importer-specific ad valorem assessment rate is not zero or de minimis; entries with a zero or de minimis rate will be liquidated without regard to AD duties.
Current cash deposit rates for these exporters unchanged
Commerce stated that because there are superseding cash deposit rates from later administrative reviews, it will not issue revised cash deposit instructions to U.S. Customs and Border Protection, and this notice will not affect the current cash deposit rate for Maquilacero/TEFLU, Perfiles, or Productos Laminados. The existing cash deposit rate in effect as of this notice remains in place.
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