# Regulus search export

- Query: `69 FR 20833`
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- Exported: 2026-08-23T23:39:03.863Z

## 1. Air eligibility mark.

**Citation:** 49 CFR 172.321  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** 2004-10-01 / Not stated

(a) General. Except as otherwise specified in this subchapter, each person who offers for transportation by aircraft a hazardous material in a non-bulk package must mark the package as required by this section to indicate that it meets the applicable requirements for air transport. The marking is a 

### Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2004-title49-vol2/CFR-2004-title49-vol2-sec172-321>
- Source ID: `govinfo-cfr`
- SHA-256: `d1ed5e4f89f9e88a902d18ce2c8ebed85525979898842cd49b8970da660c2642`
- Retrieved: 2026-08-13T06:37:31.780Z
- Document slug: `49-cfr-172-321`
- Related records: 6