D.C. Code § 47-171
Mayor authorized to issue rules: Section 208 of D.C. Law 10-128 provided that the Mayor may issue rules, pursuant to subchapter I of Chapter 5 of Title 2, necessary for the proper administration of this chapter.
Section 410(e) of D.C. Law 13-305 provided: "Section 406(b), (d), (f), (l), (n), (o), (r), (v), (x)through (aa), (cc), (ff), (gg), (ll), (pp), (vv), (ww), (aaa), (ccc), (eee), and (ggg) shall apply as of January 1, 2001."