# Parts and Accessories Necessary for Safe Operation; Liquid-Burning Flares
> **Federal Motor Carrier Safety Administration** · Final rule. · Published 2026-02-19 · Effective 2026-03-23 · 91 FR 7867
## Document
- **Document number:** 2026-03261
- **Category:** motor-carrier
- **Sub-agency:** Federal Motor Carrier Safety Administration
- **Federal Register citation:** 91 FR 7867
- **CFR reference:** 49 CFR 392
- **Publication date:** 2026-02-19
- **Effective date:** 2026-03-23
- **DOT docket:** Docket No. FMCSA-2025-0110
## Abstract

FMCSA amends the rules for emergency equipment on commercial motor vehicles (CMVs) to remove the references to liquid-burning flares from the warning device requirements in the Federal Motor Carrier Safety Regulations (FMCSR). This action eliminates outdated language referring to warning devices that FMCSA believes are no longer used.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/02/19/2026-03261/parts-and-accessories-necessary-for-safe-operation-liquid-burning-flares)
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