USITC institutes five-year review of the AD duty order on alloy magnesium from China

The USITC instituted on October 1, 2026 a five-year review under the Tariff Act of 1930 to determine whether revocation of the antidumping duty order on alloy magnesium from China would be likely to lead to continuation or recurrence of material injury. Interested parties must respond to the notice by November 2, 2026 to be assured of consideration, and comments on the adequacy of responses may be filed by December 8, 2026.

USITC institutes five-year reviews of aluminum foil orders on Armenia, Brazil, Oman, Russia and Turkey

The USITC instituted five-year reviews on October 1, 2026, to determine whether revocation of the countervailing duty orders on aluminum foil from Oman and Turkey and the antidumping duty orders on aluminum foil from Armenia, Brazil, Oman, Russia and Turkey would be likely to lead to continuation or recurrence of material injury. Interested parties must respond to the notice by November 2, 2026, to be assured of consideration, and comments on the adequacy of responses may be filed by December 8, 2026.

A1 SolarStore report: U.S. solar hardware market tightens as buyers race tariff deadlines

The Q2 2026 A1 Solar Index report by distributor A1 SolarStore says U.S. solar hardware inventory rose close to historic highs as importers rushed to beat incoming tariff deadlines and federal tax credit milestones, with average daily listed inventory reaching 932,000 units (491 MW), up 126% from Q1.

Commerce amends LWRPT dumping margins from Mexico after CIT remand in Consol. Court No. 23-00091

Commerce is amending the final results of the 2020-2021 antidumping duty administrative review of light-walled rectangular pipe and tube from Mexico, applicable September 24, 2026, after the CIT's September 14, 2026 final judgment in Maquilacero S.A. de C.V. and Tecnicas de Fluidos S.A. de C.V. and Perfiles LM, S.A. de C.V. v. United States, Consol. Court No. 23-00091, Slip Op. 26-111, sustained Commerce's second remand results and was not in harmony with the final results. The amended margins apply to Maquilacero/TEFLU, reviewed as a single collapsed entity, and to non-selected companies Perfiles L.M., S.A. de C.V. and Productos Laminados de Monterrey S.A. de C.V.

Commerce amends welded line pipe order from Korea after CIT remand ruling

Commerce states that, applicable September 25, 2026, it is amending the final determination and the antidumping duty order on welded line pipe from the Republic of Korea, covering the period October 1, 2013 through September 30, 2014, after the U.S. Court of International Trade sustained Commerce's fourth remand redetermination in Stupp Corp. v. United States, Court No. 15-00334, Slip Op. 26-113 (September 15, 2026). The amendment changes the estimated weighted-average dumping margin assigned to SeAH Steel Corporation and to all other producers and exporters. The notice does not state the revised margin.

Commerce issues preliminary results and partial rescission in AD review of utility scale wind towers from Korea

Commerce preliminarily determines that Dongkuk S&C Co., Ltd. did not make sales of utility scale wind towers from the Republic of Korea at less than normal value during the period of review, August 1, 2024, through July 31, 2025, and is rescinding the review with respect to eight companies. The preliminary results are applicable September 30, 2026, and interested parties are invited to comment. The notice does not state a cash deposit rate for Dongkuk.

Commerce issues preliminary affirmative LTFV determination on large diameter graphite electrodes from China

Commerce preliminarily determines that large diameter graphite electrodes from the People's Republic of China are being, or are likely to be, sold in the United States at less than fair value, applicable September 30, 2026, for a period of investigation of July 1, 2025, through December 31, 2025. Commerce also made a preliminary affirmative determination of critical circumstances. Interested parties are invited to comment on the preliminary determination.

Commerce issues preliminary affirmative LTFV determination on large diameter graphite electrodes from India

Commerce preliminarily determines that large diameter graphite electrodes from India are being, or are likely to be, sold in the United States at less-than-fair-value, with a period of investigation of January 1, 2025, through December 31, 2025, applicable September 30, 2026. Commerce also made a preliminary affirmative determination of critical circumstances and postponed the final determination, extending provisional measures. Interested parties are invited to comment on the preliminary determination.

Commerce issues final results of expedited fifth sunset review of suspended AD investigation on cut-to-length carbon steel plate from Ukraine

Commerce issued the final results of the expedited fifth sunset review of the Agreement Suspending the Antidumping Investigation of Certain Cut-to-Length Carbon Steel Plate from Ukraine, finding that termination of the Agreement and the suspended antidumping duty investigation would be likely to lead to continuation or recurrence of dumping at the levels indicated in the Final Results of Review section of the notice. The results are applicable September 30, 2026.

USITC votes to continue investigations on linear hydraulic cylinders from Canada, China, India, Mexico and South Korea

The USITC determined on September 30, 2026 that there is a reasonable indication that a U.S. industry is materially injured by imports of linear hydraulic cylinders from Canada, China, India, Mexico and South Korea that are allegedly sold in the United States at less than fair value and subsidized by the governments of China, India and Mexico. The affirmative vote, in Inv. Nos. 701-TA-802-804 and 731-TA-1799-1803 (Preliminary), means Commerce will continue its investigations of these imports. The USITC's public report, USITC Publication 5800, will be available on the USITC website by November 16, 2026.

USITC makes affirmative sunset determinations on non-refillable steel cylinders from China

The USITC determined on September 29, 2026 that revoking the antidumping and countervailing duty orders on non-refillable steel cylinders from China would likely lead to continuation or recurrence of material injury within a reasonably foreseeable time, so the existing orders remain in place. The vote was affirmative by Chairman Brett W. Doyle and Commissioners Jason E. Kearns, Peter-Anthony Pappas, Bart Thanhauser and David Foley Jr.; Commissioner Samuel T. Negatu did not participate. The reviews are Inv. Nos. 701-TA-644 and 731-TA-1494 (Review), instituted April 1, 2026 and conducted on an expedited basis; the public report, USITC Publication 5799, will be available on the USITC website by November 8, 2026.

USITC determines revocation of oil country tubular goods orders would likely injure U.S. industry

The USITC determined in five-year reviews that revoking the countervailing duty orders on oil country tubular goods from India and Turkey and the antidumping duty orders on oil country tubular goods from India, South Korea, Turkey, Ukraine, and Vietnam would be likely to lead to continuation or recurrence of material injury to a U.S. industry within a reasonably foreseeable time. The reviews cover Investigation Nos. 701-TA-499-500 and 731-TA-1215-1216 and 1221-1223 (Second Review), with the Commission's views in USITC Publication 5790 (September 2026). Commissioner Jason E. Kearns voted in the negative on the antidumping duty order on oil country tubular goods from Ukraine.

USITC to conduct full five-year reviews of methionine AD orders from France, Japan and Spain

The U.S. International Trade Commission gives notice that it will proceed with full five-year reviews under the Tariff Act of 1930 to determine whether revocation of the antidumping duty orders on methionine from France, Japan and Spain would be likely to lead to continuation or recurrence of material injury within a reasonably foreseeable time. The Commission states that a schedule for the reviews will be established and announced at a later date. The notice is dated September 4, 2026.

USITC determines revocation of boltless steel shelving orders from China would likely injure U.S. industry

The USITC determined in its second five-year reviews that revoking the antidumping and countervailing duty orders on boltless steel shelving units prepackaged for sale from China would be likely to lead to continuation or recurrence of material injury to a U.S. industry within a reasonably foreseeable time. The reviews cover Investigation Nos. 701-TA-523 and 731-TA-1259 (Second Review), with views published in USITC Publication 5793 (September 2026). The Commission instituted the reviews on April 1, 2026 (91 FR 16234), chose expedited reviews on July 6, 2026 (91 FR 52082), and filed its determinations on September 24, 2026. Commissioner Samuel T. Negatu did not participate.

USITC institutes antidumping and countervailing duty investigations on wooden fence pickets from China

The USITC gives notice of the institution of preliminary-phase antidumping and countervailing duty investigations Nos. 701-TA-807 and 731-TA-1808 (Preliminary) into wooden fence pickets from China provided for in HTS subheadings 4404.10.00, 4407.19.00 and 4421.99.70, alleged to be sold in the United States at less than fair value and alleged to be subsidized by the Government of China. The Commission must reach its preliminary determination by November 9, 2026, unless Commerce extends the time for initiation, and must transmit its views to Commerce by November 17, 2026. The notice is dated September 24, 2026.

Commerce rescinds in part its AD administrative review of frozen warmwater shrimp from India

Commerce is rescinding, in part, the antidumping duty administrative review of certain frozen warmwater shrimp from India for the period February 1, 2025, through January 31, 2026, with respect to companies that had no reviewable entries of subject merchandise during the period of review. The review was initiated on March 31, 2026, for 393 companies; the companies whose reviews are rescinded are listed in Appendix I and those whose reviews continue are listed in Appendix II. The rescission is applicable September 28, 2026.

USITC schedules final phase of AD/CVD injury investigations on tin mill products from China, Taiwan and Turkey

The USITC gives notice of the scheduling of the final phase of antidumping and countervailing duty investigations Nos. 701-TA-792 and 731-TA-1786-1788 (Final) into whether a U.S. industry is materially injured or threatened with material injury, or the establishment of an industry is materially retarded, by reason of imports of tin mill products from China, Taiwan and Turkey. The products are provided for in HTSUS subheadings 7210.11.00, 7210.12.00, 7210.50.00, 7212.10.00 and 7212.50.00, if of non-alloy steel, and under HTSUS subheadings 7225.99.00 and 7226.99.01. Commerce preliminarily determined the China imports to be subsidized and sold at less-than-fair-value; its preliminary determinations for Taiwan and Turkey, alleged to be sold at less-than-fair-value, are pending.

USITC makes affirmative final injury determinations on van-type trailers and subassemblies from China

The USITC determined on September 25, 2026 that a U.S. industry is materially injured by reason of imports of van-type trailers and subassemblies from China that Commerce has determined are sold in the United States at less than fair value and subsidized by the government of China, in Inv. Nos. 701-TA-781 and 731-TA-1768. As a result, Commerce will issue an antidumping order and a countervailing duty order on these products from China. The USITC's public report, USITC Publication 5797, will be available on the USITC website by November 5, 2026.

Commerce finds no dumping for Korean superabsorbent polymers in 2023-2024 administrative review

Commerce determined in the final results of an antidumping duty administrative review that certain superabsorbent polymers from the Republic of Korea were not sold in the United States at less than normal value during the period December 1, 2023, through November 30, 2024. The results are applicable September 25, 2026. The review follows the preliminary results published at 91 FR 30278 and the amended antidumping duty order at 90 FR 302.

USITC to conduct full five-year reviews of tire orders on South Korea, Taiwan, Thailand and Vietnam

The USITC gives notice that it will proceed with full five-year reviews under the Tariff Act of 1930 to determine whether revocation of the countervailing duty order on passenger vehicle and light truck tires from Vietnam and the antidumping duty orders on passenger vehicle and light truck tires from South Korea, Taiwan and Thailand would be likely to lead to continuation or recurrence of material injury within a reasonably foreseeable time. The notice is dated September 4, 2026, and the Commission states that a schedule for the reviews will be established and announced at a later date.

Commerce issues final results of AD administrative review on large diameter welded pipe from Türkiye

Commerce determines in the final results of its antidumping duty administrative review that large diameter welded pipe from the Republic of Türkiye was sold in the United States at less than normal value during the period of review, May 1, 2024, through April 30, 2025. The final results are applicable September 25, 2026. The review follows the preliminary results published at 91 FR 31420 (May 27, 2026), and the rate also applies to HDM Spiral Kaynakli Celik Boru A.S., the English name of which is HDM Spirally Welded Steel Pipe Inc.

Commerce issues preliminary affirmative countervailing duty determination on Tris from China

Commerce preliminarily determines that countervailable subsidies are being provided to producers and exporters of Tris(hydroxymethyl)aminomethane (Tris) from the People's Republic of China, with a preliminary affirmative determination of critical circumstances, in part, applicable September 24, 2026. The period of investigation is January 1, 2025, through December 31, 2025, and Commerce has aligned the final determination with the final antidumping duty determination. Commerce found Jining Yacoo New Materials Technology Co., Ltd. and Yacoo Science (Anqing) Co., Ltd. to be cross-owned with Suzhou Yacoo. Interested parties are invited to comment on the preliminary determination.

Commerce issues final affirmative LTFV determination on freight rail couplers from the Czech Republic

Commerce determines that certain freight rail couplers and parts thereof from the Czech Republic are being, or are likely to be, sold in the United States at less than fair value, with the period of investigation running July 1, 2024, through June 30, 2025. The determination applies as of September 24, 2026. The notice does not state a cash deposit rate.

Commerce postpones preliminary determination in AD investigation of N-cyclohexylbenzothiazole-2-sulfenamide from China

Commerce's Enforcement and Compliance office postponed the preliminary determination in the less-than-fair-value investigation of N-cyclohexylbenzothiazole-2-sulfenamide from the People's Republic of China, applicable September 24, 2026. The investigation was initiated in the Initiation Notice, 91 FR 32941 (June 2, 2026), on a petition by LANXESS Corporation, which requested a partial extension of the preliminary determination by letter dated August 25, 2026. The notice does not state a new preliminary determination date or any cash deposit rate.

Commerce issues final results of 2023-2024 AD administrative review on OCTG from Korea

Commerce determined in the final results of its antidumping duty administrative review that oil country tubular goods from the Republic of Korea were sold at less than normal value during the period September 1, 2023, through August 31, 2024, applicable September 24, 2026. The review covers mandatory respondents SeAH and NEXTEEL, and Commerce applied a simple average of their calculated dumping margins as the rate for non-examined companies listed in Appendix II. The notice does not state the cash deposit rates.

USITC makes affirmative preliminary injury determinations on perfluoroalkoxy alkane from India

The USITC determines there is a reasonable indication that a U.S. industry is materially injured by reason of imports of perfluoroalkoxy alkane (PFA) from India, provided for in subheading 3904.69.50 of the HTSUS, that are alleged to be sold at less than fair value and to be subsidized by the government of India, in investigations Nos. 701-TA-805 and 731-TA-1804 (Preliminary). The Commission also gives notice of the commencement of the final phase of its investigations, and will issue a final phase notice of scheduling upon notice from Commerce of affirmative preliminary determinations, or, if the preliminary determinations are negative, upon notice of affirmative final determinations.

Commerce issues affirmative final circumvention determinations on Zongshen 5C65M0 and BC70M0 engines from China

Commerce determines that imports of model numbers 5C65M0 and BC70M0 of small vertical shaft engines produced by Chongqing Zongshen General Power Machine Co., Ltd. in China are later-developed merchandise that circumvent the antidumping and countervailing duty orders on certain vertical shaft engines between 99cc and up to 225cc, and parts thereof, from China. The determination applies as of September 24, 2026. The orders were published at 86 FR 23675, the circumvention inquiry was initiated at 90 FR 30874, and the affirmative preliminary determination was published at 91 FR 28555.

Commerce issues final affirmative countervailing duty determination on freight rail couplers from India

Commerce determines in a final affirmative countervailing duty determination that countervailable subsidies are being provided to producers and exporters of certain freight rail couplers and parts thereof from India, with the period of investigation April 1, 2024, through March 31, 2025, applicable September 24, 2026. The petitioner is the Coalition of Freight Coupler Producers, whose members are McConway & Torley LLC and the United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union. Commerce did not complete verification of Texmaco.

Commerce makes preliminary affirmative critical circumstances determination on graphite electrodes from China

Commerce preliminarily determines that critical circumstances exist for imports of large diameter graphite electrodes from China in the countervailing duty investigation, applicable September 24, 2026; the period of investigation is January 1, 2025, through December 31, 2025. The investigation was initiated on March 20, 2026 (91 FR 13577), and a preliminary affirmative countervailing duty determination was published on July 30, 2026 (91 FR 48076). Interested parties are invited to comment on the preliminary critical circumstances determination.

Commerce issues final affirmative less-than-fair-value determination on freight rail couplers from India

Commerce determines in a final affirmative determination that certain freight rail couplers and parts thereof from India are being, or are likely to be, sold in the United States at less than fair value, with the period of investigation July 1, 2024, through June 30, 2025, applicable September 24, 2026. The investigation covers freight rail couplers from India, with Texmaco Rail and Engineering Limited and Kharagpur Metal Reforming Industries Pvt. Ltd. as the examined respondents. The notice does not state the final dumping margins or cash deposit rates.

Commerce revokes AD/CVD aluminum sheet orders in part for certain aluminum can stock

Commerce issued the final results of changed circumstances reviews and revoked, in part, the antidumping and countervailing duty orders on common alloy aluminum sheet from China, Bahrain, Brazil, Croatia, Egypt, Germany, India, Indonesia, Italy, Oman, Romania, Serbia, Slovenia, South Africa, Spain, Taiwan and Türkiye, applicable September 24, 2026. The partial revocation covers certain aluminum can stock, and Commerce clarified the scope to include temper H-39 in the modified aluminum can stock exclusion language.

CIT sustains Commerce remand results in AD/CVD reviews of wood mouldings and millwork from China

The U.S. Court of International Trade sustained Commerce's final results of redetermination on remand in the countervailing and antidumping duty administrative reviews of wood mouldings and millwork products from China, in China Cornici Co. v. United States, Slip Op. 26-118, Court Nos. 23-00216 and 23-00217, decided September 23, 2026. On remand Commerce declined to rescind the reviews and assigned China Cornici and RaoPing the 8.89% countervailing duty rate for non-examined companies for the 2021 period of review, and assigned China Cornici the China-wide antidumping duty rate of 220.87% while allowing Chen Chiu to claim RaoPing's 0.00% separate cash deposit rate for future shipments.

CIT sustains Commerce's first administrative review of the antidumping order on mobile access equipment from China

The U.S. Court of International Trade sustains Commerce's determination in the first administrative review of the antidumping duty order on mobile access equipment from China, in Slip Op. 26-119, Court No. 24-00219 and Court No. 24-00221. The court found Commerce's determination supported by substantial evidence and otherwise in accordance with law, rejecting Dingli's challenge to the selection of Turkey as the primary surrogate country and the Coalition's challenge to the use of Bulgaria as a secondary surrogate country.

CIT sustains Commerce scope ruling that IPG heat sinks fall within aluminum extrusions orders

The U.S. Court of International Trade, in Slip Op. 26-117, Court No. 25-00212, denied IPG Photonics Corporation's motion for judgment on the agency record and sustained Commerce's final scope ruling that IPG's four heat sink models do not meet the finished heat sink exclusion and are covered by the antidumping and countervailing duty orders on aluminum extrusions from China, Case Nos. A-570-967 and C-570-968. The court held that Commerce's interpretation of the exclusion and its consideration of IPG's evidence were supported by substantial evidence and in accordance with law. The opinion is dated September 23, 2026.

USITC determines revocation of AD/CVD orders on welded wire mesh from Mexico would likely injure U.S. industry

The U.S. International Trade Commission determined in five-year reviews that revoking the antidumping and countervailing duty orders on standard steel welded wire mesh from Mexico would be likely to lead to continuation or recurrence of material injury to a U.S. industry within a reasonably foreseeable time. The reviews cover Investigation Nos. 701-TA-653 and 731-TA-1527 (Review), instituted March 2, 2026 (91 FR 10136), with expedited reviews decided June 5, 2026 (91 FR 39632, June 30, 2026). The Commission filed its determinations on September 21, 2026; the views are in USITC Publication 5791 (September 2026).

USITC terminates five-year reviews of walk-behind lawn mowers from China and Vietnam

The USITC terminated its five-year reviews of the antidumping duty orders on walk-behind lawn mowers from China and Vietnam and the countervailing duty order on walk-behind lawn mowers from China after Commerce published notice that it was revoking the orders effective August 31, 2026, because no domestic interested party filed a timely notice of intent to participate (91 FR 57132). The reviews had been instituted on June 1, 2026. The termination date is August 31, 2026.

CITT finds threat of injury on forged grinding media from China in NQ-2026-002

The Canadian International Trade Tribunal found in inquiry NQ-2026-002 that dumping and subsidizing of forged grinding media originating in or exported from China have not caused injury to the domestic industry but are threatening to cause injury, and anti-dumping and countervailing duties will therefore be collected by the Canada Border Services Agency. The complainant was Moly-Cop Canada of Kamloops, British Columbia. The Tribunal will issue its reasons on October 7, 2026.

Polyethylene Terephthalate Resin From the Sultanate of Oman: Amended Final Results of Antidumping Duty Administrative Review; 2023-2024; Correction

Commerce issues preliminary affirmative LTFV determination on certain fatty acids from Malaysia

Commerce preliminarily determines that certain fatty acids from Malaysia are being, or are likely to be, sold in the United States at less than fair value, with the period of investigation running January 1, 2025, through December 31, 2025, applicable September 22, 2026. Commerce also postpones the final determination and extends provisional measures, and preliminarily determines that Palm-Oleo, Palm-Oleo (Klang) Sdn. Bhd., and KL-Kepong Oleomas Sdn. Bhd. are a single entity.

Commerce corrects ITC preliminary determination timing in linear hydraulic cylinders LTFV initiation

Commerce published a correction to its September 14, 2026 initiation of less-than-fair-value investigations on certain linear hydraulic cylinders and parts thereof from Canada, the People's Republic of China, India, the Republic of Korea, and Mexico, correcting a typographical error regarding the timing of the U.S. International Trade Commission's preliminary determination. The original initiation notice appeared at 91 FR 58060 (September 14, 2026).