# -4 Outlets.

- **operation:** document
- **citation:** 49 CFR 178.346-4
- **title:** -4 Outlets.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (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 
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-178-346-4.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-178-346-4.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-178-346-4
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-178.346-4
**body:**

(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]
- **truncated:** false
- **body characters:** 321