An alarm business must not install or maintain, and an alarm user must not use, an audible alarm system which can sound continuously for more than 30 minutes. (1983 L.M.C., ch. 19, § 1; 1989 L.M.C., ch. 6, § 1; 1993 L.M.C., ch. 14, § 1.)
Note--Formerly, § 3A-4.