Pipeline Safety: Standards Update—API STD 620

Current as of source date

Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Direct Final RulePipeline Safety: Standards Update—API STD 620 Rule; Direct Final Rule. Filed in Regulations.gov docket PHMSA-2025-0121.#

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.