Where a special permit application would allow a significant increase in residential floor area and the special floor area requirements in Mandatory Inclusionary Housing areas of paragraph (d) of Section 23-154 (Inclusionary Housing) are not otherwise applicable, the City Planning Commission, in establishing the appropriate terms and conditions for the granting of such special permit, shall apply such requirements where consistent with the objectives of the Mandatory Inclusionary Housing program as set forth in Section 23-92 (General Provisions). However, where the Commission finds that such special permit application would facilitate significant public infrastructure or public facilities addressing needs that are not created by the proposed development, enlargement or conversion, the Commission may modify the requirements of such paragraph (d).