# \[Reserved\]

**Citation:** 49 CFR 172.536  
**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-172.536>
- Source ID: `ecfr`
- SHA-256: `4d55f348a938435a9c5825e5dfe9fe39d0c800fd190951d0d4ecd010bd25359d`
- Retrieved: 2026-08-20T05:45:59.130Z
- Exported: 2026-08-24T22:33:37.966Z
- Document slug: `49-cfr-172-536`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "172",
  "section": "172.536",
  "subpart": "Subpart F—Placarding",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```