# Pipeline Safety: Rationalize Calculation of Regulatory Filing and Compliance Deadlines
> **Pipeline and Hazardous Materials Safety Administration** · Direct final rule (DFR); request for comments. · Published 2025-07-01 · Effective 2025-10-09 · 90 FR 28044
## Document
- **Document number:** 2025-12076
- **Category:** pipeline-safety
- **Sub-agency:** Pipeline and Hazardous Materials Safety Administration
- **Federal Register citation:** 90 FR 28044
- **CFR reference:** 49 CFR 190
- **Publication date:** 2025-07-01
- **Effective date:** 2025-10-09
- **DOT docket:** Docket No. PHMSA-2025-0106
## Abstract

This DFR amends PHMSA's procedural regulations to establish a rule of construction clarifying the operation of procedural filing deadlines scheduled to fall on weekends and Federal holidays.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/07/01/2025-12076/pipeline-safety-rationalize-calculation-of-regulatory-filing-and-compliance-deadlines)
---
*AI Analytics · CC0 1.0*