District of Columbia Code Division VIII. General Laws. § 50-2443. License plate recognition systems;  usage and privacy.

(1) Ensure that all District agencies equipped with LPRS for enforcement of parking or moving violations utilize the same database of information;

(2) Maximize the ability of District agencies equipped with LPRS to transmit information to the Department that may assist in identifying the location of immobilization-eligible vehicles;

(3) Maintain reasonable security procedures and practices, including operational, administrative, technical, and physical safeguards to protect LPRS information from unauthorized access, destruction, use, modification, or disclosure;  and

(4) Implement a usage and privacy policy in order to ensure that the collection, use, maintenance, sharing, and dissemination of LPRS information is consistent with respect to individuals' privacy and civil liberties.