In all Commercial Districts, the conversion to dwelling units of non-residential buildings, or portions thereof, erected prior to January 1, 1977, shall be permitted subject to Sections 15-11 (Bulk Regulations), 15-12 (Open Space Equivalent) and 15-30 (MINOR MODIFICATIONS), paragraph (b).

Uses in buildings erected prior to January 1, 1977, containing both residential and non-residential uses shall not be subject to the provisions of Section 32-42 (Location Within Buildings).