The Official Zoning Map is attached to this Zoning Ordinance and may be made a part of it, and shall be identified by the signature of the President of the Township Council, attested by the Township Manager and shall bear the seal of the Township under the following words: "This is to certify that this is the Official Zoning Map referred to in Article 1 of Ordinance Number 563 of the Township of Hampton, Allegheny County, Pennsylvania, as amended" together with the date of adoption of this chapter.