# -4 Outlets.

**Citation:** 49 CFR 178.346-4  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) All outlets on each tank must conform to § 178.345-11 and this section.

(b) External self-closing stop-valves are not authorized as an alternative to internal self-closing stop-valves on loading/unloading outlets.

[Amdt. 178-89, 54 FR 25029, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR 

## Document text

(a) All outlets on each tank must conform to § 178.345-11 and this section.

(b) External self-closing stop-valves are not authorized as an alternative to internal self-closing stop-valves on loading/unloading outlets.

[Amdt. 178-89, 54 FR 25029, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR 18934, Apr. 29, 1996]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-178.346-4>
- Source ID: `ecfr`
- SHA-256: `e165780066031e3cd132ed8cf6a2ce9e1fa15c924586992a464c8a95a3401186`
- Retrieved: 2026-08-20T05:46:20.151Z
- Exported: 2026-08-24T14:00:13.983Z
- Document slug: `49-cfr-178-346-4`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "178",
  "section": "178.346-4",
  "subpart": "Subpart J—Specifications for Containers for Motor Vehicle Transportation",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```