# Regulus search export

- Query: `77 FR 22504`
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- Exported: 2026-08-23T12:47:17.821Z

## 1. Hazardous Materials; Packages Intended for Transport by Aircraft

**Citation:** 77 FR 22504  
**Type / status:** rulemaking / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** 2012-07-01 / 2012-04-16

PHMSA is amending the Hazardous Materials Regulations to require closures of inner packagings containing liquids within a combination packaging intended for transportation by aircraft to be secured by a secondary means or, where a secondary closure cannot be applied or it is impracticable to apply, permit the use of a leakproof liner. These amendments are consistent with the 2011-2012 edition of the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air (ICAO Technical Instructions).

### Provenance

- Official: Yes
- Source: <https://www.federalregister.gov/documents/2012/04/16/2012-8978/hazardous-materials-packages-intended-for-transport-by-aircraft>
- Source ID: `federal-register`
- SHA-256: `7ec3d6c9cc7ba112dacecfa5470f27be21b71de89710041b2908a2009451a475`
- Retrieved: 2026-08-20T06:04:51.294Z
- Document slug: `federal-register-2012-8978`
- Related records: 6