Heading 3907 · Polyacetals, other polyethers and epoxide resins, in primary forms;…
3907.99
Polyacetals, other polyethers and epoxide resins, in… — Other:
Official notices
Actions of the President, the USTR or U.S. Customs and Border Protection (CBP) that name this code.
- Jul 23, 2026 · The White House Actions by the United States in the Investigations Under Section 301 of the Trade Act of 1974 of the Acts, Policies, and Practices of 60 Economies Related to the Failure of Each Economy To Impose and Effectively Enforce a Prohibition on the Importation of Goods Produced With Forced Labor
- Jul 20, 2026 · The White House Imposing Additional Duties To Offset Canadian Discrimination Against the Commerce of the United States With Respect to Motor Vehicles
- Jul 20, 2026 · The White House Action by the United States in the Investigation Under Section 301 of the Trade Act of 1974 of Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation
- Nov 14, 2025 · The White House Modifying the Scope of the Reciprocal Tariffs With Respect to Certain Agricultural Products
- Sep 5, 2025 · The White House Modifying the Scope of Reciprocal Tariffs and Establishing Procedures for Implementing Trade and Security Agreements
- Apr 2, 2025 · The White House Regulating Imports With a Reciprocal Tariff To Rectify Trade Practices That Contribute to Large and Persistent Annual United States Goods Trade Deficits
Mentioned in Chapter 99
The parts of Chapter 99, in the 2026 HTS Revision 22, that list HTS 3907.99, a broader code that includes it, or a narrower code within it.
| U.S. note | Excerpt | Headings that refer to it |
|---|---|---|
| U.S. note 20(d) | (d) Heading 9903.88.02 applies to all products of China that are classified in the following 8-digit subheadings, except products of China granted an exclusion by the U.S. Trade Representative and provided for in (1) heading 9903.88.12 and… | 9903.88.02 |
| U.S. note 50(a)(v) | (v) As provided in heading 9903.05.06, the additional duty imposed by heading 9903.05.01 shall not apply to articles the product of Brazil for use in pharmaceutical applications, and that are classifiable in the following provisions of the… | 9903.05.01, 9903.05.06 |
| U.S. note 51(b)(3) | (3) Heading 9903.03.14 applies to articles classifiable in the following provisions of the tariff schedule: [Compiler's note: List may appear or continue on a subsequent page; read numbers from left to right.] | 9903.03.14 |
| U.S. note 52(e) | (e) As provided in heading 9903.05.89, the additional duties imposed by headings 9903.05.20–9903.05.84 shall not apply to articles that are for use in pharmaceutical applications and that are classifiable in the following provisions of the… | 9903.05.20, 9903.05.21, 9903.05.22, 9903.05.23, 9903.05.24, 9903.05.25 and 60 more |
Being listed is not owing a duty. A note may list goods that a measure leaves out; whether a heading applies depends on the origin, the date and the product; and the measures on all the goods of a country list no code at all. The calculator says what applies.
In the tariff
- 3907Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms
- Other polyesters
- 3907.99Other
- 3907.99.20.00Thermoplastic liquid crystal aromatic polyester copolymersFree
- 3907.99.50Other6.5%
- 3907.99.50.10Polybutylene terephthalate
- 3907.99.50.50Other