# -14 Attachments not otherwise specified.

**Citation:** 49 CFR 179.300-14  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Siphon pipes and their couplings on the inside of the tank head and lugs on the outside of the tank head for attaching the valve protective housing must be fusion-welded in place prior to postweld heat treatment. All other fixtures and appurtenances, except as specifically provided for, are prohibit

## Document text

Siphon pipes and their couplings on the inside of the tank head and lugs on the outside of the tank head for attaching the valve protective housing must be fusion-welded in place prior to postweld heat treatment. All other fixtures and appurtenances, except as specifically provided for, are prohibited.

[Amdt. 179-10, 36 FR 21355, Nov. 6, 1971]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-179.300-14>
- Source ID: `ecfr`
- SHA-256: `5d1f53d0cb89611487500cd986ca9afae793a77a1aec23f1f4e2b4c22fabaf66`
- Retrieved: 2026-08-20T05:46:20.606Z
- Exported: 2026-08-23T00:37:18.895Z
- Document slug: `49-cfr-179-300-14`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "179",
  "section": "179.300-14",
  "subpart": "Subpart E—Specifications for Multi-Unit Tank Car Tanks (Classes DOT-106A and 110AW)",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```