# Individual specification requirements applicable to pressure tank car tanks.

**Citation:** 49 CFR 179.101  
**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-179.101>
- Source ID: `ecfr`
- SHA-256: `61d52f4e31eeddc3e991c8575c461f2a9ecfa2194b72c2c8b11a4be6dc475978`
- Retrieved: 2026-08-20T05:46:20.606Z
- Exported: 2026-08-22T04:26:40.072Z
- Document slug: `49-cfr-179-101`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "179",
  "section": "179.101",
  "subpart": "Subpart C—Specifications for Pressure Tank Car Tanks (Classes DOT-105, 109, 112, 114 and 120)",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```