The Board of Zoning Appeals may authorize adjustments of district boundaries as follows:
(a) Where the street or lot layout actually on the ground, or as recorded, differs from the street and lot lines as shown on the Zoning Map, the Board, after notice to the owners of the property and after public hearing, shall interpret the maps in such a way as to carry out the intent and purpose of this Zoning Code for the particular section or district in question.
(b) To permit the extension of a district where the boundary line of a district divides a lot held in a single ownership on the effective date of this Zoning Code.
(c) To permit, where the boundary line of a district divides a tract of more than ten (10) acres under a single ownership, adjustment of such a line to conform with the topography of the ground where such a tract is being subdivided and when the preliminary plat of the subdivision has been officially approved; provided such a variation does not extend for a distance of more than 500 feet and does not come closer than 300 feet to any boundary of the tract. (Ord. 1069-94. Passed 4-28-94.)