In Mandatory Inclusionary Housing areas, the provisions of Section 23-951 shall apply to MIH developments, except as modified in this Section.

(a)        In R9 Districts without a letter or number suffix, the regulations of Section 23-651 (Tower-on-a-base) may apply, provided such MIH development is on a zoning lot that meets the requirements set forth in paragraph (a) of Section 23-65 (Tower Regulations).

(b)        In R6 through R9 Districts without a letter suffix within Mandatory Inclusionary Housing areas, the height and setback regulations of Section 23-64 (Basic Height and Setback Regulations) may apply, except that towers shall not be permitted in an R9-1 District. In addition, for R9 Districts without a letter or number suffix that do not meet the requirements of paragraphs (a) and (c) of Section 23-65 (Tower Regulations), the tower provisions of Section 23-652 (Standard tower) may apply, subject to the lot coverage provisions of Section 23-65. However, when the height and setback and tower regulations specified in this paragraph are utilized, the maximum floor area ratio on an MIH zoning lot shall be determined in accordance with the provisions of Section 23-151 (Basic regulations for R6 through R9 Districts).