# -1 General.

**Citation:** 49 CFR 179.400-1  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

A tank built to this specification must comply with §§ 179.400 and 179.401.

## Document text

A tank built to this specification must comply with §§ 179.400 and 179.401.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-179.400-1>
- Source ID: `ecfr`
- SHA-256: `73d923a3dd95f458fdcf0e119a815310bb4212bbdea86b3faf7944fc566df878`
- Retrieved: 2026-08-20T05:46:20.606Z
- Exported: 2026-08-22T18:22:47.629Z
- Document slug: `49-cfr-179-400-1`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "179",
  "section": "179.400-1",
  "subpart": "Subpart F—Specification for Cryogenic Liquid Tank Car Tanks and Seamless Steel Tanks (Classes DOT-113 and 107A)",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```
