11-4-1: CONTROL OVER USE:
   A.   Establishment Of New Uses: The use of a structure or lot established after the effective date hereof shall be for a use which is herein specified as a permitted, special, or accessory use under the district regulations applicable to the district in which such structure or lot is located.
   B.   Existing Building Permits: Where a building permit for a structure has been issued in accordance with law prior to the effective date hereof, and where construction has commenced within six (6) months of such effective date and is completed within two (2) years of such effective date, the structure may be completed in accordance with the approved plans; and further, may upon completion be occupied under a certificate of occupancy for the use originally designated subject thereafter to the provisions of nonconformities.
   C.   Existing Uses:
      1.   Where the use of a structure or lot existing at the time of the adoption of this title is rendered nonconforming under the provisions of this title, the provisions of nonconformities shall apply to such use.
      2.   Where a structure and the use thereof of a lot lawfully exists on the effective date hereof, and is classified by this title as a special use in the district in which it is located, such use shall be considered a lawful special use. A special use permit issued in accordance with procedures herein set forth shall be required for any expansion or change of such existing legal structure or special use.
   D.   Existing Unlawful Use: Any unlawful use existing at the time of the adoption of this title which is also in conflict with the requirements of this title shall remain unlawful hereunder.
   E.   Number Of Buildings And Uses On Zoning Lot:
      1.   Buildings: Not more than one principal detached building shall be located on any zoning lot, except in the case of planned unit developments.
      2.   Uses: Not more than one principal use shall be permitted on a zoning lot unless otherwise provided for in this title.
   F.   Open Use: Where a lot is to be utilized for a permitted use without structures, the required yards for such lot shall be provided and maintained as set forth in this title.
   G.   Uses Not Specifically Permitted In Districts: When a use is not specifically listed as a permitted, special, or temporary use, such use is hereby expressly prohibited unless by application and authorization as provided for in this title. (Ord. 2009-34, 12-3-2009, eff. 1-1-2010)