This chapter is an exercise by the village of its governmental functions for the protection of the public peace, health and safety and neither the village nor any individual subject to or engaged in the enforcement of regulations lawfully included herein, or promulgated pursuant to authority herein conferred shall be liable for any damage sustained to person or property during, or as the result of, an authorized blackout or air raid protection measure. (1965 Code, Sec. 42.04)