D.C. Code § 47-1806.04
Section 1053 of D.C. Law 16-33 provided that § 1052(b) shall apply for taxable years beginning after December 31, 2005.
Section 7033 of D.C. Law 17-219 repealed section 3 of D.C. Law 14-22.
Applicability of D.C. Law 21-36: Section 7063 of D.C. Law 21-36 provided that § 7062 of the act shall apply to taxable years beginning after December 31, 2014.
Applicability
Section 7174 of Law 22-33 provided that the changes made to this section by Law 22-33 shall apply as of January 1, 2018.