# Federal Register #2026-19930

Commerce amends antidumping duty margins for rectangular pipe and tube from Mexico

**Buyer:** International Trade Administration, Department of Commerce
**Posted:** September 30, 2026
**Identifier:** 2026-19930

This U.S. Department of Commerce notice revises antidumping duty results for light-walled rectangular pipe and tube from Mexico; it is not a procurement opportunity.
- **Government buyer and issuing office:** U.S. Department of Commerce, International Trade Administration. No purchasing office or procurement buyer is identified.
- **Companies named:** Maquilacero S.A. de C.V. and Tecnicas de Fluidos S.A. de C.V. (TEFLU), reviewed as one entity; and Perfiles L.M., S.A. de C.V. and Productos Laminados de Monterrey S.A. de C.V.
- **Revised dumping margins:** 10.67% for Maquilacero/TEFLU and 6.06% for Perfiles L.M. and Productos Laminados de Monterrey.
- **Context:** The amendments followed the U.S. Court of International Trade’s sustaining of Commerce’s remand results. Affected entries remain subject to an injunction during any reconsideration or appeals process.
- **Procurement items:** No products, services, quantities, or part numbers are requested.

### Description

The Department of Commerce reports that the U.S. Court of International Trade sustained Commerce’s second remand results in the 2020–2021 antidumping duty administrative review of light-walled rectangular pipe and tube from Mexico. Commerce amends the final results and dumping margins for Maquilacero/TEFLU and the non-selected companies Perfiles and Productos Laminados. The amended weighted-average dumping margins are 10.67 percent for Maquilacero/TEFLU and 6.06 percent for Perfiles and Productos Laminados. The notice states that entries remain subject to an injunction during any reconsideration or appeals process.

[View original listing](https://www.federalregister.gov/documents/2026/09/30/2026-19930/light-walled-rectangular-pipe-and-tube-from-mexico-notice-of-court-decision-not-in-harmony-with-the)