Vehicle certification is a foundational responsibility for every company involved in the multi-stage vehicle manufacturing process in the United States. This report details who is responsible for ensuring vehicles comply with Federal Motor Vehicle Safety Standards (FMVSS) and applicable emissions requirements. It clarifies the roles and obligations of each participant in the vehicle manufacturing process and explains why certification is far more than simply applying a label.
This publication explores key concepts such as incomplete vehicle documents, final-stage manufacturing, altered vehicle certification, OEM body builder guidance, and compliance responsibilities under National Highway Traffic Safety Administration regulations. Readers will gain a stronger understanding of how vehicle certification supports safety, regulatory compliance, and risk management, while helping organizations identify qualified partners and maintain confidence in the vehicles they purchase and operate.