Amends GS 20-130.1(c) to exempt publicly owned fire apparatus from the prohibition against possessing a blue light or installing, activating, or operating a blue light in or on any vehicle, punishable as a Class 1 misdemeanor. Provides that the blue lights must be visible only from the rear of a fire apparatus when the parking brake is engaged and the on-scene lights are activated. Defines fire apparatus to mean pumper apparatus, mobile foam apparatus, initial attack apparatus, quint, tanker apparatus, and aerial apparatus, as those terms are defined in the most recent National Fire Protection Association guidance referenced. Effective December 1, 2021.