# b-9 Marking.

- **operation:** document
- **citation:** 49 CFR 178.33b-9
- **title:** b-9 Marking.
- **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) Each container must be clearly and permanently marked to show:

(1) DOT-2S.

(2) Name or symbol of person making the mark specified in paragraph (a)(1) of this section. Symbol, if used, must be registered with the Associate Administrator.

(b) [Reserved]

[74 FR 2268, Jan. 14, 2009]
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-178-33b-9.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-178-33b-9.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-178-33b-9
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-178.33b-9
**body:**

(a) Each container must be clearly and permanently marked to show:

(1) DOT-2S.

(2) Name or symbol of person making the mark specified in paragraph (a)(1) of this section. Symbol, if used, must be registered with the Associate Administrator.

(b) [Reserved]

[74 FR 2268, Jan. 14, 2009]
- **truncated:** false
- **body characters:** 287