Federal Motor Vehicle Safety Standards; Door Locks and Door Retention Components

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We are amending our safety standard on door locks and door retention components in order to add and update requirements and test procedures and to harmonize with the world's first global technical regulation for motor vehicles. Today's final rule adds test requirements and test procedures for sliding doors, adds secondary latched position requirements for doors other than hinged side doors and back doors, provides a new optional test procedure for assessing inertial forces, and extends the application of the standard to buses with a gross vehicle weight rating (GVWR) of less than 10,000 pounds, including 12-15 passenger vans. Today's final rule also eliminates an exclusion from the requirements of the standard for doors equipped with wheelchair platform lifts.