On November 09, 2021 (86 FR 62105), the Federal Motor Carrier Safety Administration (FMCSA) published a final rule in the federal register to amend its regulations in 49 CFR Parts 393 & 396 to include rear impact guards on the list of items that must be examined as part of the required annual inspection for each commercial motor vehicle (CMV). In addition, FMCSA amends the labeling requirements for rear impact guards, and excludes road construction controlled (RCC) horizontal discharge trailers from the rear impact guard requirements, consistent with changes made by the National Highway Traffic Safety Administration (NHTSA) to the corresponding Federal Motor Vehicle Safety Standards (FMVSS). This final rule responds to rulemaking petitions, as well as a recommendation from the Government Accountability Office (GAO). This final rule is effective December 9, 2021.

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FMCSA 11-09-2021 final rule Rear Impact Guard