# a-9 Marking.

- **operation:** document
- **citation:** 49 CFR 178.33a-9
- **title:** a-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) By means of printing, lithographing, embossing, or stamping, each container must be marked to show:

(1) DOT-2Q.

(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]

[Am
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-178-33a-9.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-178-33a-9.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-178-33a-9
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-178.33a-9
**body:**

(a) By means of printing, lithographing, embossing, or stamping, each container must be marked to show:

(1) DOT-2Q.

(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]

[Amdt. 178-40, 41 FR 38181, Sept. 9, 1976, as amended by Amdt. 178-97, 56 FR 66287, Dec. 20, 1991; 66 FR 45386, Aug. 28, 2001]
- **truncated:** false
- **body characters:** 423