Issued by Transportation Department
PHMSA is confirming the effective date for a DFR published in the Federal Register on April 24, 2026. The DFR amended PHMSA's regulations at 49 CFR parts 192 and 195 to incorporate by reference the updated industry standard ASTM A53/A53M, Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless (ASTM A53/A53M).
This is a factual description of what was issued or decided, not an assessment of it.
