Final answer:
Federal Motor Vehicle Safety Standard regulations require certification and labeling on the vehicle's rear bumper.
Step-by-step explanation:
Federal Motor Vehicle Safety Standard regulations require certification and labeling on the vehicle's rear bumper. This regulation is intended to ensure that vehicles meet certain safety standards and can be easily identified by authorities and consumers. The label typically includes information such as the vehicle identification number (VIN), manufacturer's name, and important safety-related details.