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Office of Trade Remedy Compliance
Supporting U.S. companies facing foreign antidumping, countervailing duty and safeguard investigations and ensuring foreign governments comply with their international trade obligations

Türkiye Initiates Safeguard Investigation into Global Imports of Terephthalic Acid

Türkiye Initiates Safeguard Investigation into Global Imports of Terephthalic Acid 

On December 31, 2025, the Republic of Türkiye’s (Türkiye) Ministry of Trade initiated a safeguard (SG) investigation into global imports of terephthalic acid (TPA). If an affirmative decision is issued in this investigation, duties may be imposed on subject U.S. exports. 

What is a Safeguard (SG) investigation?

A SG investigation assesses whether a surge of imports is causing or threatening to cause serious injury to the domestic industry. 

How can I participate? 

U.S. companies involved in the production, sale, or distribution of the subject goods should register as interested parties as soon as possible.  Registration is the first step in protecting your rights in a foreign trade remedy proceeding.  Doing so allows you to access the case records and submit information and comments, ensuring that your views are considered. Parties interested in participating in this investigation should fill out a questionnaire and forward it to the General Directorate of Türkiye by January 30, 2026, via the following email: korunma@ticaret.gov.tr  

KEY DATES
Period of Investigation2021-2024
Initial Questionnaire Response Deadline for U.S. RespondentsJanuary 30, 2026
Final Determination*TBA

*Estimated

Products Under Investigation

The product subject to this investigation is terephthalic acid (TPA).  TPA is primarily used in the production of polyethylene terephthalate film, which is used in thermoforming for manufacturing as well as the production of clothing fibers and various containers.  The merchandise under investigation is currently classified under the Turkish Customs Tariff Schedule at the following subheading: 2917.36.00.00.11.

A complete description of the scope can be found (in Turkish) on page 1 of the Initiation Notice.   

Contact Us

The U.S. Department of Commerce’s Office of Trade Remedy Compliance supports U.S. companies facing foreign trade remedy proceedings (antidumping duty, countervailing duty, and safeguard actions) and ensures foreign governments comply with their international trade obligations. Should you have any questions, please contact TRCS@trade.gov. For more information, visit Office of Trade Remedy Compliance. 

 

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