# \[Reserved\]

**Citation:** 49 CFR 172.431  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated



## Document text



## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-172.431>
- Source ID: `ecfr`
- SHA-256: `5ab13d40005bfb58ef3d2396da805daca8c185ac4ce9d8e5d5c21a235f50a47a`
- Retrieved: 2026-08-20T05:45:59.130Z
- Exported: 2026-08-25T14:49:23.067Z
- Document slug: `49-cfr-172-431`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "172",
  "section": "172.431",
  "subpart": "Subpart E—Labeling",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```