D.C. Code § 47-163
Section 410(d) of D.C. Law 13-305 provided: "Section 406(a), (c), (j), (m), (p), (q), (s), (w), (bb), (dd), (ee), (hh) through (kk), (mm) through (oo), (qq) through (uu), (yy), (zz), (bbb), (ddd), and (fff) shall apply for all tax years or taxable periods beginning after December 31, 2000."