[Ord. No. 755 Exhibit B § 405.420, 10-13-1997]
The Board of Trustees may, from time to time, in the manner hereinafter set forth, amend the regulations imposed in the districts created by this Chapter, amend district boundary lines, provided that in all mandatory orders adopted under the authority of this Section, due allowance shall be made for existing conditions, the conservation of property values, the direction of building development to be the best advantage of the entire community, and the uses to which property is devoted at the time of the adoption of such mandatory order.