These regulations do not limit or supersede any other regulation concerning vehicle equipment or means of enforcing laws or regulations relating to vehicle equipment. These regulations may not be construed to prohibit a person from exceeding the requirements of these regulations. These regulations apply to: Each vehicle defined in Regulation .02 of this chapter; Each person who owns, operates, maintains, or repairs a vehicle; and Each motor carrier as defined in the Code of Federal Regulations, Title 49, §390.05, its officers and employees, and each person employed under contract by a motor carrier.