(a) The Mayor shall, pursuant to subchapter I of Chapter 5 of Title 2, issue proposed rules, including a schedule of civil fines, to implement the provisions of this chapter.(b) The Mayor may issue emergency rules, which shall be effective no more than 90 days and which shall be consistent with subchapter I of Chapter 5 of Title 2.Mar. 16, 1989, D.C. Law 7-182, § 14, 35 DCR 7718.