# Pipeline Safety: Integrity Management Program Modifications and Clarifications
> **Pipeline and Hazardous Materials Safety Administration** · Final rule. · Published 2007-07-17 · Effective 2007-08-16 · 72 FR 39012
## Document
- **Document number:** E7-13772
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 72 FR 39012
- **CFR reference:** 49 CFR 192
- **Publication date:** 2007-07-17
- **Effective date:** 2007-08-16
- **DOT docket:** Docket No. PHMSA-04-18938
## Abstract

This action modifies the integrity management regulations for hazardous liquid and natural gas transmission pipelines. The modifications include adding an eight-month window to the period for reassessing hazardous liquid pipelines; modifying notification requirements for operators of hazardous liquid and natural gas pipelines; repealing a requirement for gas operators to notify local authorities; and allowing alternatives in calculating pressure reduction when making an immediate repair on a hazardous liquid pipeline. This action is intended to improve pipeline safety by clarifying the integrity management regulations and providing operators with increased flexibility in implementing their integrity management (IM) programs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/07/17/E7-13772/pipeline-safety-integrity-management-program-modifications-and-clarifications)
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