Section 31-3111 - Duties of Mayor(a) The Mayor shall, within 120 days from February 28, 1987, issue rules to implement all sections of this chapter except § 31-3110. The Mayor shall issue rules to implement § 31-3110 no later than 5 years from February 28, 1987.(b) The Mayor shall provide the coverage and benefits set forth in this chapter to employees of the District and their dependents who are insured through the District of Columbia Employees' Health Benefits Program. For District employees and their dependents who are insured through the Federal Employees' Health Benefits Program, the Mayor shall provide supplemental coverage and benefits that comply with the requirements of this chapter no later than February 28, 1994.Feb. 28, 1987, D.C. Law 6-195, § 12, 34 DCR 491; Mar. 16, 1993, D.C. Law 9-192, § 2(d), 39 DCR 9007.