An automatic non-variable audible alarm shall be installed behind the rear axle and be at least 97 decibels.
Md. Code Regs. 11.19.02.24
Regulation .24 amended effective April 1, 1991 (18:6 Md. R. 687)
Regulation .24 amended effective January 21, 2013 (40:1 Md. R. 20)