Individual loudspeakers for each car shall be provided at all outdoor theaters. No central loudspeaker or public address system shall be permitted to be used between the hours of 8:00 p.m. and 9:00 a.m., except for emergency announcements of impending danger, such as fire, storm or similar dangers. (Mont. Co. Code 1965, § 75-27.)
Cross reference-Noise, ch. 31B.