All home and businesses in the city of Aurora are required by ordinance to have an alarm user certificate on file with the Aurora Police Department. "No police alarm, local alarm, dial alarm or direct alarm installation is to be made in the city, whether residential or commercial, unless there is on file with the police department an alarm user permit. The alarm user permit will be supplied by the police department upon request." From Article IV. Alarm Systems Sec. 36-60.
Each alarm user shall employ the services of an alarm equipment supplier which has licensed employees and supplies and equipment so located as to be able to respond to a request for repair or adjustment of the alarm system of such an alarm user within 4 hours of the request for this service. Article IV, Section 36-62.