Md. Code, Criminal Law § 9–610

(a) In this section, “defective alarm system” means an alarm system that activates:

(1) more than three false alarms within a 30-day period; or

(2) eight or more false alarms within a 12-month period.

(b) (1) A law enforcement unit or fire department that responds to false alarms from a defective alarm system shall provide written notice of the defective condition to the alarm user.

(2) The alarm user, within 30 days after receiving the notice, shall:

(i) 1. if qualified, inspect the alarm system; or

2. have the alarm system inspected by an alarm system contractor; and

(ii) within 15 days after the inspection, file with the law enforcement unit or fire department that issued the notice a written report that contains the:

1. result of the inspection;

2. probable cause of the false alarms; and

3. recommendations or action taken to eliminate the false alarms.

(c) An alarm user may not use a defective alarm system after receiving a written notice under subsection (b) of this section.

(d) A person who violates subsection (c) of this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 90 days or a fine not exceeding $500 or both.