# Parts and Accessories Necessary for Safe Operation; Tire Load Markings
> **Federal Motor Carrier Safety Administration** · Final rule. · Published 2026-02-19 · Effective 2026-03-23 · 91 FR 7884
## Document
- **Document number:** 2026-03260
- **Category:** motor-carrier
- **Sub-agency:** Federal Motor Carrier Safety Administration
- **Federal Register citation:** 91 FR 7884
- **CFR reference:** 49 CFR 393
- **Publication date:** 2026-02-19
- **Effective date:** 2026-03-23
- **DOT docket:** Docket No. FMCSA-2025-0123
## Abstract

FMCSA amends the requirements for commercial motor vehicle (CMV) tires to clarify that the Federal Motor Carrier Safety Regulations (FMCSR) do not require tire load restriction markings on the sidewalls of the tires. This change eliminates confusion and clarifies the scope of FMCSA's authority regarding requirements for CMV tires.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/02/19/2026-03260/parts-and-accessories-necessary-for-safe-operation-tire-load-markings)
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