Except as otherwise specified in these regulations, only one primary use shall be allowed per tract of record in the following zones: CSAG-1, CSAG-5, CR-1, CR-2, CR-3, CR-4, CR-5, and CRA-1. Multiple uses may be allowed on single lots in other zoning districts provided they meet the bulk, dimensional, and parking requirements of the underlying zoning classification. (Ord. 615 § 2(part), 1999)