The Department of Transportation

Register. While we have taken steps to ensure the accuracy of this Internet version of the document, it is not the official version. Please refer to the official version in a forthcoming Federal Register publication or on GPO’s Web Site. You can access the Federal Register at: www.federalregister.gov. DEPARTMENT OF TRANSPORTATION National Highway Traffic Safety Administration 49 CFR Part 571 Docket No. NHTSA-2012-0065 RIN 2127-AK97 Federal Motor Vehicle Safety Standards; Electronic Stability Control Systems for Heavy Vehicles