# \[Reserved\]

**Citation:** 49 CFR 172.553  
**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-172.553>
- Source ID: `ecfr`
- SHA-256: `027dd94804f7c7852c0bfe7235a95a47023c6c9f340b1c5f986c20b0cdba5b4b`
- Retrieved: 2026-08-20T05:45:59.130Z
- Exported: 2026-08-22T08:41:33.036Z
- Document slug: `49-cfr-172-553`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "172",
  "section": "172.553",
  "subpart": "Subpart F—Placarding",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```