# Hazardous materials (any, offered for transportation) — Postal shipping restrictions by item category

For Hazardous materials (any, offered for transportation), carrier is US DOT (49 CFR, all modes); restriction type is restricted; scope is transportation in commerce (US); conditions is A person may offer a hazardous material for transportation only after classing and describing it in accordance with 49 CFR parts 172 and 173 and determining the packaging is authorized, recorded from its source on 2026-08-10.

- **Item category:** Hazardous materials (any, offered for transportation) _(verified: appears in the quote below)_
- **Carrier:** US DOT (49 CFR, all modes) _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** transportation in commerce (US) _(our reading, not quoted from the source)_
- **Conditions:** A person may offer a hazardous material for transportation only after classing and describing it in accordance with 49 CFR parts 172 and 173 and determining the packaging is authorized. _(verified: appears in the quote below)_

## What the source says

> Except as otherwise provided in this part, a person may offer a hazardous material for transportation in a packaging or container required by this part only in accordance with the following

## Source

- https://www.ecfr.gov/current/title-49/subtitle-B/chapter-I/subchapter-C/part-173/subpart-B/section-173.22

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).