In all NC, GC, RI, LI, SO, and CF districts, multiple uses may be permitted on a single lot of record subject to the following standards:
(a) Uses Shown on Approved Final Site Plan. Multiple uses may be permitted on a single lot of record when such uses are shown on an approved final site plan.
(b) Use Permit Issued. Multiple uses may be permitted on a single lot of record when such uses are located in a multi-tenant structure and a use permit is issued for the various uses.