# Pipeline Safety: Standards Update—ASTM F1973
**AGENCY:**
Pipeline and Hazardous Materials Safety Administration (PHMSA), Department of Transportation (DOT).
**ACTION:**
Direct final rule (DFR); confirmation of effective date.
**SUMMARY:**
PHMSA is confirming the effective date for the DFR that appeared in the *Federal Register* on July 1, 2025. The DFR amended PHMSA's regulations at 49 CFR part 192 to incorporate by reference ASTM International's updated industry standard ASTM F1973, “Standard Specification for Factory Assembled Anodeless Risers and Transition Fittings in Polyethylene (PE) and Polyamide 11 (PA11) and Polyamide 12 (PA12) Fuel Gas Distribution Systems.”
**DATES:**
PHMSA confirms the effective date of January 1, 2026, for the DFR that appeared in the *Federal Register* on July 1, 2025 (90 FR 28079).
**FOR FURTHER INFORMATION CONTACT:**
Brianna Wilson, Transportation Specialist, by phone at 771-215-0969 or email at *[email protected].*
**SUPPLEMENTARY INFORMATION:**
On July 1, 2025 (90 FR 28079), PHMSA published a DFR amending its regulations at 49 CFR part 192 to incorporate by reference the 2021 edition of ASTM F1973, “Standard Specification for Factory Assembled Anodeless Risers and Transition Fittings in Polyethylene (PE) and Polyamide 11 (PA11) and Polyamide 12 (PA12) Fuel Gas Distribution Systems.”
References to the 2021 edition of the standard will replace existing references to ASTM F1973-13, “Standard Specification for Factory Assembled Anodeless Risers and Transition Fittings in Polyethylene (PE) and Polyamide 11 (PA11) and Polyamide 12 (PA12) Fuel Gas Distribution Systems,” May 1, 2013, within 49 CFR 192.204(b) and Section I of Appendix B to 49 CFR part 192.
PHMSA issued the DFR under the procedures set forth at 49 CFR 190.339. In accordance with those provisions, PHMSA stated in the DFR that if no adverse comments were received, the DFR would become final and effective on January 1, 2026. PHMSA did not receive any comments that warranted withdrawal of the DFR; therefore, this rule will become effective as scheduled.
Issued in Washington, DC, on September 30, 2025, under the authority designated in 49 CFR 1.97.
Benjamin D. Kochman,
Deputy Administrator.