# 2026-18925: China's Pool Shock Faces U.S. Dumping Duties in New Review

2026-18925, Chlorinated Isocyanurates From the People's Republic of China: Preliminary Results, and Rescission, in Part of Antidumping Duty Administrative Review; 2024-2025, is a Federal Register notice from Commerce Department, International Trade Administration published 2026-09-16, effective 2026-09-16; PRIA reads it as touching household money (as of 2026-09-23).

- Canonical: https://policyrisk.com/federal-register/2026-18925
- As of: 2026-09-23
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-18925
- Title: Chlorinated Isocyanurates From the People's Republic of China: Preliminary Results, and Rescission, in Part of Antidumping Duty Administrative Review; 2024-2025
- Type: Notice
- Agencies: Commerce Department; International Trade Administration
- Citation: 91 FR 58631
- Published: 2026-09-16
- Effective: 2026-09-16
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-09-23

## In one line

China's Pool Shock Faces U.S. Dumping Duties in New Review

## Summary

The U.S. Department of Commerce found that some Chinese companies sold chlorinated isocyanurates in the U.S. for less than fair value from June 2024 to May 2025. This means antidumping duties might apply to those products, affecting importers and Chinese exporters. The review deadline was extended due to government shutdowns, with preliminary results announced in September 2026.

## Abstract

The U.S. Department of Commerce (Commerce) preliminarily determines that chlorinated isocyanurates from the People's Republic of China (China) were sold in the United States at less than normal value during the period of review (POR) June 1, 2024, through May 31, 2025. Interested parties are invited to comment on these preliminary results.

## Effects PRIA read

- Preliminary Dumping Margins Announced: cost, high. The Department of Commerce preliminarily found that chlorinated isocyanurates from China were sold at less than normal value for the period June 1, 2024 through May 31, 2025. Commerce preliminarily calculated weighted-average dumping margins of 90.65 percent for Heze Huayi Chemical Co. Ltd. and 72.…
- China-Wide Rate and Cash Deposit Rules: cost, high. Commerce states that the China-wide rate remains 285.63 percent and that, upon publication of the final results, cash deposit requirements will apply to shipments entered or withdrawn from warehouse for consumption on or after the publication date. Exporters found to have a separate rate will have…
- Importer Reimbursement Certificate Requirement: cost, high. Importers must file a certificate about reimbursement of antidumping and/or countervailing duties prior to liquidation of the relevant entries for this review period, as required by 19 CFR 351.402(f)(2). If an importer fails to file this certificate, Commerce may presume reimbursement occurred and…

## 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
- [2026-20777](https://policyrisk.com/federal-register/2026-20777): Certain Paper Shopping Bags From Cambodia: Preliminary Results of Antidumping Duty Administrative Review; 2024-2025, 2026-10-09
- [2026-20779](https://policyrisk.com/federal-register/2026-20779): Passenger Vehicle and Light Truck Tires From Thailand: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Revi…, 2026-10-09
- [2026-20778](https://policyrisk.com/federal-register/2026-20778): Certain Hot-Rolled Steel Flat Products From the Republic of Korea: Final Results of Countervailing Duty Administrative Review; 2023, 2026-10-09
- [2026-20690](https://policyrisk.com/federal-register/2026-20690): Oleoresin Paprika From India: Antidumping Duty Order and Countervailing Duty Order, 2026-10-08
- [2026-20691](https://policyrisk.com/federal-register/2026-20691): Certain Paper Shopping Bags From Taiwan: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025, 2026-10-08

## Sources
- [2026-18925 on federalregister.gov](https://www.federalregister.gov/documents/2026/09/16/2026-18925/chlorinated-isocyanurates-from-the-peoples-republic-of-china-preliminary-results-and-rescission-in)
- [2026-18925 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-09-16/pdf/2026-18925.pdf)

## Related
- [Previous: 2026-18924, L-lysine From the People's Republic of China: Antidumping Duty Order and Counte…](https://policyrisk.com/federal-register/2026-18924)
- [Next: 2026-18926, Sodium Nitrite From India: Final Results and Rescission, in Part, of the Antidu…](https://policyrisk.com/federal-register/2026-18926)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-18925 (as of 2026-09-23).