Notwithstanding any other law, a person holding a valid registration for a firearm may carry the firearm:
D.C. Code § 22-4504.01
Section 3 of D.C. Law 17-388 provided: "Sec. 3. Savings clause. Nothing in section 2 shall affect any action, proceeding, or prosecution commenced before September 16, 2008. Any such action, proceeding, or prosecution shall continue, or may be enforced, in the same manner and to the same extent as if the amendments made by that section had not been made."