A. The commissioner is hereby authorized to adopt standards and specifications applicable to lighting equipment on and special warning devices to be carried by school buses consistent with the provisions of this Chapter, but supplemental thereto. Such standards and specifications shall correlate with and, so far as possible, conform to the specifications then current as approved by the Society of Automotive Engineers.
B. It shall be unlawful to operate any flashing warning signal light on any school bus except when the school bus is stopped or is in the act of coming to a complete stop on a highway for the purpose of permitting school children to board or alight from the school bus.