(1) If a floodplain district boundary is established by approximate or detailed floodplain studies, the flood elevations or profiles shall prevail in locating the boundary. If none exist, other evidence may be examined;

(2) The person contesting the boundary location shall be given a reasonable opportunity to present arguments and technical evidence to the Board; and

(3) If the boundary is incorrectly mapped, the Board should inform the zoning committee or the person contesting the boundary location to petition the governing body for a map amendment according to Article VIII, Amendments.