D.C. Code § 2-1217.02
Section 2013 of D.C. Law 16-33 provided: "Sec. 2013. Applicability. Section 2012 shall apply as of January 1, 2003.".
Section 7019 of D.C. Law 17-219 provided that this subtitle shall apply as of January 1, 2008.
Section 7192(b) of D.C. Law 18-223 provided: "This section shall apply as of January 1, 2010."