Section 6-641.10 - Enforcement of zoning regulations(a) The Mayor of the District of Columbia shall enforce the regulations adopted under the authority of this subchapter. Nothing contained in this subchapter shall be construed to limit the authority of the Mayor or Council of the District of Columbia to make municipal regulations which are not inconsistent with the provisions of this subchapter and the regulations adopted thereunder.(b) If, pursuant to rules issued pursuant to this subchapter, the Zoning Commission approves a zoning density increase for a commercial office building or structure with a floor area ratio that is greater than the floor area ratio permitted as a matter of right under the zoning regulations, the applicant who obtains the zoning density increase shall be required to comply with the housing requirements set forth in section 308b of the Comprehensive Plan, as such requirements may be amended.June 20, 1938, 52 Stat. 801, ch. 534, §11; Oct. 6, 1994, D.C. Law 10-193, § 3(d), 41 DCR 5536. Building regulations, power and duty of Council and Mayor to make and enforce, see § 1-303.04 . .