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Chassis: New AD/CVD Investigations Deadlines & Scope

The Commerce Department issued notices in the Federal Register on its recently initiated antidumping duty investigations on chassis from Mexico (A-201-865), Thailand (A-549-854) and Vietnam (A-552-849), and countervailing duty investigations on chassis from Mexico (C-201-866) and Thailand (C-549-855). The AD/CVD investigations on Mexico and Thailand cover entries in calendar year 2024, and the AD investigation on Vietnam covers entries July 1, 2024, through Dec. 31, 2024.

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The International Trade Commission will conduct a concurrent investigation to determine whether imports of chassis from Mexico, Thailand and Vietnam are injuring U.S. industry. If the ITC finds no injury in its preliminary injury determination, due April 14, the investigations will immediately end. If Commerce finds dumping or illegal subsidization in the preliminary determinations of these investigations, due in May for CVD and August for AD, it will set AD and/or CVD cash deposit requirements for imports of merchandise subject to the investigation. If both Commerce and the ITC reach affirmative final determinations, Commerce will issue AD and/or CVD orders making duties permanent and beginning a process of annual administrative reviews to set final assessments of AD/CVD on importers and potentially change AD/CVD cash deposit rates.

If duties are imposed, Vietnamese producers and exporters that don't demonstrate independence from government control and request eligibility for a “separate rate” will be assigned the antidumping duty “Vietnam-wide rate," which can reach more than 200% for some products. Separate rate applications from Vietnamese producers and exporters are available here. Separate rate applications will be due April 14.

AD/CVD Respondent Selection

For all of these AD/CVD investigations, Commerce will send quantity and value questionnaires to potential respondents, and will base respondent selection on the responses it receives. Exporters that don't get a quantity and value questionnaire can submit one using forms on Commerce's website. Responses are due April 1.

Scope of the AD/CVD Investigations

“The merchandise covered by these investigations consists of chassis and subassemblies thereof, whether finished or unfinished, whether assembled or unassembled, whether coated or uncoated, regardless of the number of axles, for carriage of containers, or other payloads (including self-supporting payloads) for road, marine roll-on/roll-off (RORO) and/or rail transport. Chassis are typically, but are not limited to, rectangular framed trailers with a suspension and axle system, wheels and tires, brakes, a lighting and electrical system, a coupling for towing behind a truck tractor, and a locking system or systems to secure the shipping container or containers to the chassis using twistlocks, slide pins or similar attachment devices to engage the corner fittings on the container or other payload.

"Subject merchandise includes, but is not limited to, the following subassemblies:

  • Chassis frames, or sections of chassis frames, including kingpin assemblies, bolsters consisting of transverse beams with locking or support mechanisms, goosenecks, drop assemblies, extension mechanisms and/or rear impact guards;
  • Running gear assemblies or axle assemblies for connection to the chassis frame, whether fixed in nature or capable of sliding fore and aft or lifting up and lowering down, which may or may not include suspension(s) (mechanical or pneumatic), wheel end components, slack adjusters, dressed axles, brake chambers, locking pins, and tires and wheels; and
  • Assemblies that connect to the chassis frame or a section of the chassis frame, such as but not limited to, pintle hooks or B-trains (which include a fifth wheel), which are capable of connecting a chassis to a converter dolly or another chassis.

"Importation of any of these subassemblies, whether assembled or unassembled, constitutes an unfinished chassis for purposes of these investigations.

"Subject merchandise also includes chassis, whether finished or unfinished, entered with components such as, but not limited to: hub and drum assemblies, brake assemblies (either drum or disc), bare axles, brake chambers, suspensions and suspension components, wheel end components, landing gear legs, spoke or disc wheels, tires, brake control systems, electrical harnesses and lighting systems.

"Processing of finished and unfinished chassis and components such as trimming, cutting, grinding, notching, punching, drilling, painting, coating, staining, finishing, assembly, or any other processing either in the country of manufacture of the in-scope product or in a third country does not remove the product from the scope. Inclusion of other components not identified as comprising the finished or unfinished chassis does not remove the product from the scope.

"Individual components entered and sold by themselves are not subject to the investigations, but components entered with a finished or unfinished chassis are subject merchandise. A finished chassis is ultimately comprised of several different types of subassemblies. Within each subassembly there are numerous components that comprise a given subassembly.

"This scope excludes dry van trailers, refrigerated van trailers and flatbed trailers. Dry van trailers are trailers with a wholly enclosed cargo space comprised of fixed sides, nose, floor and roof, with articulated panels (doors) across the rear and occasionally at selected places on the sides, with the cargo space being permanently incorporated in the trailer itself. Refrigerated van trailers are trailers with a wholly enclosed cargo space comprised of fixed sides, nose, floor and roof, with articulated panels (doors) across the rear and occasionally at selected places on the sides, with the cargo space being permanently incorporated in the trailer and being insulated, possessing specific thermal properties intended for use with self-contained refrigeration systems. Flatbed (or platform) trailers consist of load carrying main frames and a solid, flat or stepped loading deck or floor permanently incorporated with and supported by frame rails and cross members.

"The finished and unfinished chassis subject to these investigations are typically classified in the Harmonized Tariff Schedule of the United States (HTSUS) at subheadings: 8716.39.0090 and 8716.90.5060. Imports of finished and unfinished chassis may also enter under HTSUS subheading 8716.90.5010. While the HTSUS subheadings are provided for convenience and customs purposes, the written description of the merchandise under investigation is dispositive."

Comments on the scope of these investigations are due by 5 p.m. EDT on April 7.

Investigations Timetable

EventAD InvestigationsCVD Investigations
Petitions filed02/26/2502/26/25
DOC initiation date03/18/2503/18/25
ITC prelim determinations04/14/2504/14/25
DOC prelim determinations08/05/2505/22/25
DOC final determinations10/20/2508/05/25
ITC final determinations12/04/2509/19/25
Issuance of orders12/11/2509/26/25

These deadlines may be, and usually are, extended. The Commerce Department fact sheet on the initiation of these investigations is (here). See (2503030055) for a summary of the petition requesting these investigations.