2809.1 It shall be unlawful for any person to install, operate, or use any vehicle theft alarm system that emits or causes the emission of an audible sound that is not, or does not become, automatically and completely silenced within five (5) minutes. The time period shall be calculated based upon the emission of the first audible sound and shall end five (5) minutes thereafter, notwithstanding any variation or stoppage in the emissions of audible sound.

SOURCE: The District of Columbia Noise Control Act of 1997, effective March 16, 1978 (D.C. Law 2-53; 20 DCMR Chapters 27 and 28) as amended by the Georgetown Project and Noise Control Amendment Act of 2004, 51 DCR 8825 (2004).