On or before July 1, 2015, the Mayor, pursuant to Chapter 5 of Title 2 [§ 2-501 et seq.], shall issue rules to implement the provisions of this chapter. Through rulemaking, the Mayor may also modify the schedule of fines listed in § 9-606. The Mayor shall submit a proposed modification to the schedule of fines to the Council for a 30-day period of review, excluding Saturdays, Sundays, holidays, and days of Council recess. If the Council does not disapprove the modification by resolution within the 30-day period, the modification shall be deemed approved.