# Purpose and scope.

**Citation:** 49 CFR 172.1  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

This part lists and classifies those materials which the Department has designated as hazardous materials for purposes of transportation and prescribes the requirements for shipping papers, package marking, labeling, and transport vehicle placarding applicable to the shipment and transportation of t

## Document text

This part lists and classifies those materials which the Department has designated as hazardous materials for purposes of transportation and prescribes the requirements for shipping papers, package marking, labeling, and transport vehicle placarding applicable to the shipment and transportation of those hazardous materials.

[Amdt. 172-29, 41 FR 15997, Apr. 15, 1976, as amended by 66 FR 45379, Aug. 28, 2001]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-172.1>
- Source ID: `ecfr`
- SHA-256: `286b1451c349395425f9504a3de0c487d34f6629dcbdbafdea24c86f6bbad1b8`
- Retrieved: 2026-08-20T05:45:59.130Z
- Exported: 2026-08-22T13:19:25.660Z
- Document slug: `49-cfr-172-1`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "172",
  "section": "172.1",
  "subpart": "Subpart A—General",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```