# HTS 9902.05.37: Ammonium (2RS)-2-amino-4-(methylphosphinato)butyric acid (Glufosinate Ammonium) (CAS No. 77182-82-2) (provided for in subheading 2931.39.00)

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

## Duty rates

- **General (MFN) rate:** 1.5%
- **Special / FTA rate:** No change
- **Column 2 rate:** No change
- **Corpus rank:** #6566 of 6827 among dutiable tariff lines
- **Percentile among ad-valorem lines:** 51st of 13,544 rated lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.05.37

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99020537-ammonium-2rs-2-amino-4-methylphosphinatobutyric-acid-gl*