pipeline-safety · Pipeline and Hazardous Materials Safety Administration · Published 2026-04-24 · Effective 2027-01-01 · 91 FR 22039
Document
Document number
2026-08053
Federal Register citation
91 FR 22039
CFR reference
49 CFR 195
Type
Rule
Action
Direct final rule (DFR); request for comments.
Category
pipeline-safety
Sub-agency
Pipeline and Hazardous Materials Safety Administration
Publication date
2026-04-24
Effective date
2027-01-01
DOT docket
Docket No. PHMSA-2026-1535
Abstract
This DFR amends PHMSA's regulations to incorporate by reference an updated edition of industry standard ASME B31.4, Pipeline Transportation Systems for Liquids and Slurries: ASME Code for Pressure Piping, B31. This updated standard will maintain or improve public safety, prevent regulatory confusion, reduce compliance burdens on stakeholders, and satisfy a mandate in the National Technology Transfer and Advancement Act (NTTAA) of 1995.