# Domestic commercial HAZMAT packages · USPS — What can be mailed: USPS hazardous materials, plus item rules for post and couriers

For Domestic commercial HAZMAT packages, carrier is USPS; restriction type is restricted; scope is domestic, recorded from its source on 2026-09-22.

- **Item or substance:** Domestic commercial HAZMAT packages _(verified: appears in the quote below)_
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** domestic _(our reading, not quoted from the source)_
- **Conditions:** Fees will be assessed on each noncompliant package, and those found to be noncompliant and missing the handling fee will be assessed both fees. The following mail classes are subject to the $50 HAZMAT Noncompliance Fee _(verified: appears in the quote below)_

## What the source says

> Noncompliance Fee – will apply to domestic commercial HAZMAT packages containing incorrect or mismatched STC, Service Icon, Barcode Banner Text, or DOT markings. Although previously described as an addition to the Package Quality Compliance validations, the fee will now be assessed through the Census and Automated Package Verification (APV) processes. Fees will be assessed on each noncompliant package, and those found to be noncompliant and missing the handling fee will be assessed both fees. The following mail classes are subject to the $50 HAZMAT Noncompliance Fee:

## Source

- https://postalpro.usps.com/mnt/glusterfs/2026-07/INFORMATIONAL%20-%20Update%20Domestic%20HAZMAT%20Handling%20and%20Noncompliance.pdf

Last verified: 2026-09-22. Review by: 2027-09-22.
Part of [What can be mailed: USPS hazardous materials, plus item rules for post and couriers](https://referencesource.org/shipping-restrictions-by-class/).