The boundaries of these districts are hereby established as shown
on the map, entitled "Official Zoning Map," on file in the office
of the Zoning Officer, which map, with all explanatory matter thereon,
shall be deemed to accompany, be, and is hereby made a part of this
chapter. The Official Zoning Ordinance Map shall carry the signature
of the Mayor, President of the Borough Council, Chairman of the Planning
Commission and the Borough Secretary, certifying that it is the true
map adopted by the Council of the Borough of Mars. All amendments
shall be identified on the map and similarly certified.