USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No

2025 IBR Standards Update Fact Sheet

Objectives

This final rule incorporates by reference more than 35 new or updated voluntary, consensus industry technical standards (updated industry standards) within the PSRs (49 Code of Federal Regulation (CFR) parts 190-199).

2025 IBR Standards Update Rule Overview

Objectives

PHMSA published several rules in 2025 to update 37 reference standards under 49 CFR Parts 192 & 195. A series of Direct-to-Final rules was published on July 1, 2025, including 18 standards. On August 21, 2025, RIN 2137-AF49, known as Periodic Standards Update II, was published and includes 19 additional standards and other amendments.