(Sept. 14, 1965, 79 Stat. 754, Pub. L. 89-183, § 1; 1973 Ed., § 21-527; 1981 Ed., § 21-527; Feb. 24, 1984, D.C. Law 5-48, § 11(a)(11), 30 DCR 5778; Apr. 4, 2003, D.C. Law 14-283, § 2(m), 50 DCR 917; Sept. 12, 2008, D.C. Law 17-231, § 22(d), 55 DCR 6758.)