# Administrative Updates to the Instructions Governing Applications for Approval of a Discontinuance or Material Modification of a Signal System or Relief From the Requirements of Part 236 Regulations
> **US Department of Transportation** · Final rule. · Published 2025-07-01 · Effective 2025-07-01 · 90 FR 28176
## Document
- **Document number:** 2025-12166
- **Category:** other
- **Sub-agency:** US Department of Transportation
- **Federal Register citation:** 90 FR 28176
- **CFR reference:** 49 CFR 235
- **Publication date:** 2025-07-01
- **Effective date:** 2025-07-01
- **DOT docket:** Docket No. FRA-2025-0102
## Abstract

This rule makes administrative updates to FRA's instructions governing applications for approval of a discontinuance or material modification of a signal system regulations, including updating addresses in those regulations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/07/01/2025-12166/administrative-updates-to-the-instructions-governing-applications-for-approval-of-a-discontinuance)
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