D.C. Code § 34-1436
Applicability of D.C. Law 19-36: Section 3 of D.C. Law 19-36, as amended by D.C. Law 20-245, § 3, provided that the act (a) shall apply as of July 12, 2011; and (b) shall not apply to contracts entered into before August 1, 2011, provided that, for a contract entered into before August 1, 2011, the act shall apply to an extension or renewal of that contract executed on or after August 1, 2011.