# Parts and Accessories Necessary for Safe Operation: Brakes; Adjustment Limits
> **National Highway Traffic Safety Administration** · Final rule. · Published 2012-08-06 · Effective 2012-09-05 · 77 FR 46633
## Document
- **Document number:** 2012-18899
- **Category:** fmvss
- **Sub-agency:** National Highway Traffic Safety Administration
- **Federal Register citation:** 77 FR 46633
- **CFR reference:** 49 CFR 393
- **Publication date:** 2012-08-06
- **Effective date:** 2012-09-05
- **DOT docket:** Docket No. FMCSA-2010-0257
## Abstract

The Federal Motor Carrier Safety Administration (FMCSA) amends the requirements regarding brake readjustment limits in the Federal Motor Carrier Safety Regulations (FMCSRs). This rule amends the readjustment limits, clarifies their application, and corrects an error in cross-referencing a Federal Motor Vehicle Safety Standard (FMVSS). This rule responds to a petition for rulemaking from the Commercial Vehicle Safety Alliance (CVSA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/08/06/2012-18899/parts-and-accessories-necessary-for-safe-operation-brakes-adjustment-limits)
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