Md. Code, Public Safety § 2–603

(a) If an agreement entered into under § 2-602 of this subtitle is terminated, the value of motor vehicles, radios, and light bars paid for by a county or municipal corporation under the agreement shall be depreciated in accordance with subsection (b) of this section.

(b) The value of motor vehicles, radios, and light bars shall be depreciated over a 5-year period beginning on the date the equipment was put in service as follows:

(1) after 1 year, the equipment shall be valued at 80% of its initial cost;

(2) after 2 years, the equipment shall be valued at 60% of its initial cost;

(3) after 3 years, the equipment shall be valued at 40% of its initial cost;

(4) after 4 years, the equipment shall be valued at 20% of its initial cost; and

(5) after 5 years, the equipment shall be considered to have no remaining value for purposes of this section.

(c) The Department shall reimburse the county or municipal corporation for the depreciated value of the motor vehicles, radios, and light bars.