# Pipeline Safety: Periodic Standards Update II
> **Pipeline and Hazardous Materials Safety Administration** · Final rule. · Published 2025-08-21 · Effective 2026-01-10 · 90 FR 40749
## Document
- **Document number:** 2025-15988
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 90 FR 40749
- **CFR reference:** 49 CFR 191
- **Publication date:** 2025-08-21
- **Effective date:** 2026-01-10
- **DOT docket:** Docket No. PHMSA-2020-0013
## Abstract

PHMSA is amending the Federal pipeline safety regulations to incorporate by reference all or parts of 19 updated industry standards. PHMSA is also clarifying certain regulatory provisions and making several editorial corrections.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/08/21/2025-15988/pipeline-safety-periodic-standards-update-ii)
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