(a) The territory of the county shall be divided into the classes of zoning districts provided for in article III of this chapter. The zoning district locations and boundaries for the county shall be as shown on the map or maps entitled "Zoning Map of York County, Virginia dated June 28, 1995" and as amended from time to time in accordance with the procedures contained in this article, which, together with all explanatory matter thereon, are hereby adopted by reference and declared to be a part of this chapter.

(b) A reproducible copy of said maps, attested by the zoning administrator, shall be filed in the office of the zoning administrator or in such location as may be deemed appropriate by the zoning administrator.

Said maps, together with any duly adopted amendments thereto, shall be conclusive as to the current zoning classification of the territory of the county.