Amending Title 2 of The Philadelphia Code, entitled "City-County Consolidation," by abolishing the Board of Revision of Taxes and reassigning its powers, functions and duties to three newly created City agencies to be known as the Board of Property Assessment Appeals and Review, the Property Assessment Oversight Board, and the Office of Property Assessment; providing for submission of such amendment for the approval or disapproval of the qualified electors of the City of Philadelphia; fixing the date of a special election for such purpose; prescribing the form of ballot question to be voted o — Open Common Ground