One original of the Zoning District Map shall be filed in the office of the City Secretary and labeled as “Exhibit A.” This copy shall be the official Zoning District Map and shall bear the signature of the Mayor and attestation of the City Secretary. This copy shall not be changed in any manner. In case of any question, this copy, together with amending ordinances, shall be controlling[.]

An additional copy of the original Zoning District Map shall be placed in the office of the Secretary. The copy shall be used for reference and shall be maintained up-to-date by posting thereon all subsequent amendments. Reproductions for informational purposes may be made of the official Zoning District Map[.]