The provisions of Sections 81-26 (Height and Setback Regulations-- Daylight Compensation) and 81-27 (Alternate Height and Setback Regulations--Daylight Evaluation) are supplemented and modified by special provisions applying in the Fifth Avenue Subdistrict, as set forth in Sections 81-81 (General Provisions) and 81-83 (Special Street Wall Requirements) or in the Theater Subdistrict as set forth in Sections 81-71 (General Provisions) and 81-75 (Special Street Wall and Setback Requirements) or in the East Midtown Subdistrict as set forth in Sections 81-61 (General Provisions), 81-66 (Special Height and Setback Requirements), inclusive, or 81-671 (Special street wall requirements), or in the Penn Center Subdistrict as set forth in Section 81-532 (Special street wall requirements).

The provisions of Sections 81-26 and 81-27 are not applicable in the Preservation Subdistrict, where height and setback is regulated by the provisions of Section 81-90 (SPECIAL REGULATIONS FOR PRESERVATION SUBDISTRICT).