# HTS 9902.11.29: Poly(1,4-benzenedicarboxylic acid-co-1,4-butanediol-co-nonanedioic acid) (CAS No. 26590-80-7) (provided for in subheading 3907.99.50)

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free
- **Special / FTA rate:** No change
- **Column 2 rate:** No change
- **Corpus rank:** #5295 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.11.29

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99021129-poly14-benzenedicarboxylic-acid-co-14-butanediol-co-nonan*