# 2025-15139: Oman Aluminum Sheets Face US Dumping Duty Preliminary Ruling

2025-15139, Common Alloy Aluminum Sheet From the Sultanate of Oman: Preliminary Results of Antidumping Duty Administrative Review; 2023-2024, is a Federal Register notice from Commerce Department, International Trade Administration published 2025-08-08, effective Period of review: April 1, 2023 through March 31, 2024; PRIA reads it as touching household money (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2025-15139
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-15139
- Title: Common Alloy Aluminum Sheet From the Sultanate of Oman: Preliminary Results of Antidumping Duty Administrative Review; 2023-2024
- Type: Notice
- Agencies: Commerce Department; International Trade Administration
- Citation: 90 FR 38439
- Published: 2025-08-08
- Effective: Period of review: April 1, 2023 through March 31, 2024
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-06-08

## In one line

Oman Aluminum Sheets Face US Dumping Duty Preliminary Ruling

## Summary

The U.S. says aluminum sheets from Oman were sold for less than fair price between April 2023 and March 2024. This could mean extra duties (taxes) on those imports soon, affecting Omani exporters and U.S. buyers. People involved have a chance to share their thoughts before final decisions are made.

## Abstract

The U.S. Department of Commerce (Commerce) preliminarily determines that common alloy aluminum sheet (aluminum sheet) from the Sultanate of Oman (Oman) were made at less than normal value (NV) during the period of review (POR), April 1, 2023, through March 31, 2024. Interested parties are invited to comment on these preliminary results.

## Effects PRIA read

- Preliminary Finding Could Trigger Duties: cost, medium. The U.S. Department of Commerce preliminarily found that common alloy aluminum sheet from the Sultanate of Oman was sold at less than normal value during April 1, 2023 through March 31, 2024. That preliminary finding could lead to additional antidumping duties (extra import taxes) on those aluminum…

## Related documents

- [2025-05481](https://policyrisk.com/federal-register/2025-05481): Regulations Enhancing the Administration of the Antidumping and Countervailing Duty Trade Remedy Laws; Correction, 2025-03-31
- [2026-22938](https://policyrisk.com/federal-register/2026-22938): Tin Mill Products From Taiwan: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postponement of Final Determination,…, 2026-11-10
- [2026-22939](https://policyrisk.com/federal-register/2026-22939): Polytetramethylene Ether Glycol From the Socialist Republic of Vietnam: Preliminary Affirmative Determination of Sales at Less Than Fair Va…, 2026-11-10
- [2026-22940](https://policyrisk.com/federal-register/2026-22940): Polytetramethylene Ether Glycol From Taiwan: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postponement of Final…, 2026-11-10
- [2026-22941](https://policyrisk.com/federal-register/2026-22941): Polytetramethylene Ether Glycol From the Republic of Korea: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postpon…, 2026-11-10
- [2026-22942](https://policyrisk.com/federal-register/2026-22942): Polytetramethylene Ether Glycol From the People's Republic of China: Preliminary Affirmative Determination of Sales at Less Than Fair Value, 2026-11-10

## Sources
- [2025-15139 on federalregister.gov](https://www.federalregister.gov/documents/2025/08/08/2025-15139/common-alloy-aluminum-sheet-from-the-sultanate-of-oman-preliminary-results-of-antidumping-duty)
- [2025-15139 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-08-08/pdf/2025-15139.pdf)

## Related
- [Previous: 2025-15138, Certain Aluminum Foil From the People's Republic of China: Preliminary Results…](https://policyrisk.com/federal-register/2025-15138)
- [Next: 2025-15140, Lease for Sale Falkirk Mining Company, Falkirk Mine Lease-by-Application NDM 11…](https://policyrisk.com/federal-register/2025-15140)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2025-15139 (as of 2026-06-08).