# OMB control number assigned to information collection.

- **operation:** document
- **citation:** 49 CFR 191.21
- **title:** OMB control number assigned to information collection.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** This section displays the control number assigned by the Office of Management and Budget (OMB) to the information collection requirements in this part. The Paperwork Reduction Act requires agencies to display a current control number assigned by the Director of OMB for each agency information collec
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-191-21.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-191-21.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-191-21
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-191.21
**body:**

This section displays the control number assigned by the Office of Management and Budget (OMB) to the information collection requirements in this part. The Paperwork Reduction Act requires agencies to display a current control number assigned by the Director of OMB for each agency information collection requirement.

OMB Control Number 2137-0522 Section of 49 CFR part 191 where identified Form No. 191.5 Telephonic. 191.9 PHMSA 7100.1, PHMSA 7100.3. 191.11 PHMSA 7100.1-1, PHMSA 7100.3-1. 191.12 PHMSA 7100.1-2. 191.15 PHMSA 7100.2, PHMSA 7100.3. 191.17 PHMSA 7100.2-1, PHMSA 7100.3-1.PHMSA 7100.4-1. 191.22 PHMSA 1000.1, PHMSA 1000.2.

[75 FR 72905, Nov. 26, 2010, as amended by Amdt. 191-24, 81 FR 91871, Dec. 19, 2016]
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