D.C. Code § 50-1301.70: Surrender of license and registration.

Any person whose license or registration shall have been suspended under any provision of this chapter, or whose policy of insurance, when required under this chapter, shall have been cancelled or terminated, shall immediately return his license and registration to the Mayor. If any person shall fail to return to the Mayor the license or registration as provided herein, the Mayor shall forthwith direct any police officer to secure possession thereof and to return the same to the Mayor.