# Pipeline Safety: Standards Update-API STD 620
> **Pipeline and Hazardous Materials Safety Administration** · Direct final rule (DFR); confirmation of effective date. · Published 2025-10-02 · Effective 2026-01-01 · 90 FR 47627
## Document
- **Document number:** 2025-19342
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 90 FR 47627
- **CFR reference:** 49 CFR 195
- **Publication date:** 2025-10-02
- **Effective date:** 2026-01-01
- **DOT docket:** Docket No. PHMSA-2025-0121
## Abstract

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 to incorporate by reference the updated industry standard American Petroleum Institute (API) Standard (STD) 620, "Design and Construction of Large, Welded, Low-Pressure Storage Tanks."

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/10/02/2025-19342/pipeline-safety-standards-update-api-std-620)
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