Amending Bill No. 070994-A (approved December 21, 2007), entitled "Authorizing the Director of Finance, Commissioner of Public Property and other officials of the City to execute either directly or through the Philadelphia Authority for Industrial Development various agreements, instruments of conveyance and other transactional documents by and among the City, the Commonwealth of Pennsylvania and the Pennsylvania Convention Center Authority related to the development, construction, financing, operation and management of an expanded Pennsylvania Convention Center and including the defeasance of — Open Common Ground