# HTS Section XXII: Special Classification Provisions

> Section overview from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## At a glance

- **Chapters:** 2
- **Tariff lines:** 4,012
- **Corpus rank (avg dutiable rate):** #1 of 20
- **Duty-free share:** 74% of 2,248 rated lines

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/section/xxii-special-classification-provisions*