# 2025-15782: US Pushes Back Decision on South Korean Chemical Imports

2025-15782, Certain Monomers and Oligomers From the Republic of Korea: Postponement of Preliminary Determination in the Less-Than-Fair-Value Investigation, is a Federal Register notice from Commerce Department, International Trade Administration published 2025-08-19, effective 2025-08-19 (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2025-15782
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-15782
- Title: Certain Monomers and Oligomers From the Republic of Korea: Postponement of Preliminary Determination in the Less-Than-Fair-Value Investigation
- Type: Notice
- Agencies: Commerce Department; International Trade Administration
- Citation: 90 FR 40330
- Published: 2025-08-19
- Effective: 2025-08-19
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-08

## In one line

US Pushes Back Decision on South Korean Chemical Imports

## Summary

The U.S. is delaying its first big decision on whether certain chemicals from South Korea are being sold unfairly cheap. This delay gives everyone more time to sort out the details, affecting companies like Arkema, Inc. and importers, with the new decision expected by late October 2025. This means more waiting but also a clearer, fairer outcome for all involved.

## Effects PRIA read

- Preliminary Determination Delayed to October 23, 2025: benefit, low. If you are an interested company or petitioner in the investigation of certain monomers and oligomers from Korea, the Department of Commerce postponed the preliminary determination from its prior due date of September 3, 2025 to no later than October 23, 2025. The investigation was initiated on Apr…
- Final Determination Timing Remains Linked to Prelim: mixed, low. Commerce stated that the deadline for the final determination will continue to be 75 days after the date of the preliminary determination, unless postponed later. With the preliminary deadline now set for no later than October 23, 2025, the final-determination clock will run from whatever date Comm…
- Petitioner's Timely Request for Postponement Granted: benefit, low. The petitioner, Arkema, Inc., submitted a timely request on August 11, 2025 asking Commerce to postpone the preliminary determination. Commerce accepted the request (finding no compelling reason to deny it) so the preliminary deadline was extended under the statutory provision allowing postponement…

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## Sources
- [2025-15782 on federalregister.gov](https://www.federalregister.gov/documents/2025/08/19/2025-15782/certain-monomers-and-oligomers-from-the-republic-of-korea-postponement-of-preliminary-determination)
- [2025-15782 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-08-19/pdf/2025-15782.pdf)

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Source: PRIA, https://policyrisk.com/federal-register/2025-15782 (as of 2026-06-08).