D.C. Code § 50-2443
License plate recognition systems; usage and privacy.
(a) Within one year after the applicability date of this section, the Mayor shall issue rules to:
(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.