The Department of Commerce published a correction to its May 5, 2026 notice initiating less-than-fair-value (antidumping) investigations on polytetramethylene ether glycol (PTMEG) from China, Korea, Taiwan, and Vietnam (case numbers A-570-227, A-580-922, A-583-882, A-552-855). The correction fixes a typographical error in the HTSUS subheadings listed in the scope of the investigations. The underlying LTFV investigations remain ongoing.

Review Snapshot

Scope: HS 39 / CN, KR, TW / AD/CVD / Polytetramethylene ether glycol (PTMEG)
Question: Does this source change alter exposure, timing, or review priority for HS 39 / CN, KR, TW / AD/CVD / Polytetramethylene ether glycol (PTMEG)?
Next move: Check HS 39 in Tariffs, then save the scope if this question repeats.

What Changed

Event type: Adcvd Preliminary
Restriction: Import · Tariff
Target goods: Polytetramethylene ether glycol (PTMEG)
Target countries: CN, KR, TW, VN

Legal / Policy Context

Legal basis

19 U.S.C. 167319 U.S.C. 1671

Policy instruments

AD/CVD

Practical Takeaways

Check the tagged HS codes in tariff context before treating this as a general market signal.
Use Paths to see adjacent source records, countries, and instruments before escalating this as a standalone change.

Source Trail

CommercePrimary briefing source

Open source