RegulusPipeline research

Search Updates Timeline Research Projects Coverage Profile

Open research interfaceRegulatory evidence, ready for agents.

Public, read-only access. No account or API key required.

Start herellms.txt InstructionsLLM guide API contractOpenAPI WorkflowAgent skill ConnectMCP setup

Regulus · Pipeline research

About Terms Privacy

Source-first · Read-only · Citation-ready

49 CFR 191.12 - [Reserved] | Regulus

Add to project

Projects

No projects yet

Export Official source

Regulation documentation

49 CFR Part 191

Location

titleTitle 49 — Transportation subtitleSubtitle B — Other Regulations Relating to Transportation chapterChapter I — Pipeline and Hazardous Materials Safety Administration, Department of Transportation subchapterSubchapter D — Pipeline Safety partPart 191

17 sections

Sections15

§ 191.1Scope.§ 191.3Definitions.§ 191.5Immediate notice of certain incidents.§ 191.7Report submission requirements.§ 191.9Distribution system: Incident report.§ 191.11Distribution system: Annual report.§ 191.12[Reserved]§ 191.13Distribution systems reporting transmission pipelines; transmission or gathering systems reporting distribution pipelines.§ 191.15Transmission systems; gathering systems; liquefied natural gas facilities; and underground natural gas storage facilities: Incident report.§ 191.17Transmission systems; gathering systems; liquefied natural gas facilities; and underground natural gas storage facilities: Annual report.§ 191.21OMB control number assigned to information collection.§ 191.22National Registry of Operators.§ 191.23Reporting safety-related conditions.§ 191.25Filing safety-related condition reports.§ 191.29National Pipeline Mapping System.

Browse regulation

Sections15

§ 191.1Scope.§ 191.3Definitions.§ 191.5Immediate notice of certain incidents.§ 191.7Report submission requirements.§ 191.9Distribution system: Incident report.§ 191.11Distribution system: Annual report.§ 191.12[Reserved]§ 191.13Distribution systems reporting transmission pipelines; transmission or gathering systems reporting distribution pipelines.§ 191.15Transmission systems; gathering systems; liquefied natural gas facilities; and underground natural gas storage facilities: Incident report.§ 191.17Transmission systems; gathering systems; liquefied natural gas facilities; and underground natural gas storage facilities: Annual report.§ 191.21OMB control number assigned to information collection.§ 191.22National Registry of Operators.§ 191.23Reporting safety-related conditions.§ 191.25Filing safety-related condition reports.§ 191.29National Pipeline Mapping System.

Related 14 Definitions History 16 Authority 34

RegulationsTitle 49Subtitle BChapter ISubchapter DPart 19149 CFR 191.12

Regulationcurrent

49 CFR 191.12

[Reserved]

Current as of 2026-08-18 Government source

eCFR editorial compilationAuthoritative but unofficial

1 passages

Previous§ 191.11 Next§ 191.13

Related 14 Definitions History 16 Authority 34 Community

Only explicit, source-backed relationships are shown.

Regulations3

16 NYCRR 255.1009

255.1009 Required report when compression couplings fail.

191.12 · incorporates or references

K.A.R. 82-11-3

K.A.R. 82-11-3: Transportation of natural and other gas by pipeline; annual reports and incident reports

49 C.F.R. 191.12 · incorporates or references

CPUC GO 112-F § 123

CPUC General Order 112-F § 123 - ANNUAL REPORTS

191.12 · incorporates or references

Rulemaking5

88 FR 31890

Pipeline Safety: Gas Pipeline Leak Detection and Repair

191.12(c) · cited in rulemaking

Pipeline Safety: Gas Pipeline Regulatory Reform

191.12 · cited in rulemaking

85 FR 35240

Pipeline Safety: Gas Pipeline Regulatory Reform

191.12 · cited in rulemaking

81 FR 91860

Pipeline Safety: Safety of Underground Natural Gas Storage Facilities

191.12 · cited in rulemaking

Pipeline Safety: Mechanical Fitting Failure Reporting Requirements

191.12 · cited in rulemaking

Interpretations & guidance2

PHMSA IA 2022.03

IA Content 2022.03

191.12 · guidance cites regulation

PHMSA Guidance, DIMP Enforcement Guidance

DIMP Enforcement Guidance

191.12 · guidance cites regulation

Inspection1

PHMSA GD.2022.01

2022 Gas Distribution IA Question Set

GDIM.RR.MECHANICALFITTINGDATAIMPL.R — 191.12 (+2 more questions) · examined by inspection

Enforcement3

CPF 12024042WL

NORTHWEST NATURAL GAS CO — Warning Letter

191.12(c) · cited in enforcement

CPF 220120004W

SUBURBAN PROPANE — Warning Letter

191.12 · cited in enforcement

CPF 220120002W

HERITAGE PROPANE — Warning Letter

191.12 · cited in enforcement

Ask the corpus

Claims link back to retrieved source passages.

Record details

Retrieved: Aug 20, 2026
Version: 2026-08-18

f41ffa921e510da928…