# -9 Top fittings protection.

- **operation:** document
- **citation:** 49 CFR 179.202-9
- **title:** -9 Top fittings protection.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** The tank car tank must be equipped with top fittings protection conforming to AAR Specifications for Tank Cars, appendix E paragraph 10.2.1 (IBR, see § 171.7 of this subchapter).

[80 FR 26749, May 8, 2015]
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-179-202-9.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-179-202-9.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-179-202-9
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-179.202-9
**body:**

The tank car tank must be equipped with top fittings protection conforming to AAR Specifications for Tank Cars, appendix E paragraph 10.2.1 (IBR, see § 171.7 of this subchapter).

[80 FR 26749, May 8, 2015]
- **truncated:** false
- **body characters:** 206