The conversion of non-residential floor area to residences shall be subject to the provisions of Article I, Chapter 5 (Residential Conversions Within Existing Buildings), unless such conversions meet the requirements for residential developments of Article II (Residence District Regulations).

Existing buildings or other structures that are non-complying buildings or other structures or existing buildings where an enlargement, conversion, extension, change of use or other alternation would create a non-compliance with the applicable bulk regulations are subject to the regulations set forth in Article V, Chapter 4.

Special regulations applying in certain areas are set forth in Article VI, inclusive.

Special permits that may be granted by the Board of Standards and Appeals are set forth in Article VII, Chapter 3. Special permits and authorizations that may be granted by the City Planning Commission are set forth in Article VII, Chapters 4 and 5, respectively.

Special regulations applying to large-scale residential developments or large-scale community facility developments are set forth in Article VII, Chapters 8 or 9, respectively. Special regulations applying to large-scale general developments are set forth in Section 74-74.

Any development or enlargement that occurs on or over a railroad right-of-way, or the inclusion of a railroad right-of-way in the lot area of a zoning lot less than one and a half acres, and that is not accessory to such railroad right-of-way, shall be certified by the Chairperson of the City Planning Commission pursuant to Section 75-41. In addition, the development or enlargement of a building on a zoning lot greater than one and a half acres that includes a railroad right-of-way or former railroad right-of-way, where such building is not accessory to a railroad right-of-way#, may be permitted by the Commission pursuant to 74-61. 

Special regulations applying only in Special Purpose Districts are set forth in Articles VIII, IX, X, XI, XII, XIII and XIV.