(1) The Specific Development Plan Overlay zone may be used in combination with existing conventional zones as designated herein, and the provisions of the SDP Overlay Zone shall become supplementary to the provisions of the zone with which it is combined. The SDP Overlay zone shall not be applied to a land area as an independent zone. Property to which an SDP Overlay zone has been applied shall be developed only in conformance with an approved specific development plan. When used in combination with one (1) of the zones designated in Subsection (2), a Specific Development Plan Overlay zone shall become a suffix to the designation of the zone with which it is combined and shall be shown in parenthesis on the Provo City zone map. The first such overlay zone shall be designated (SDP-1), the second (SDP-2), the third (SDP-3) and so on.

(2) The SDP Overlay zone may be combined with the following zones: RA, R1, R2, LDR, MDR, HDR, PO, SC1, SC2, SC3, CG, MP, M1, M2, PIC, R&BP, and SSC.