Amending Chapter 19-1400 of The Philadelphia Code, entitled "Realty Transfer Tax," by excluding from the tax certain sub-subleases of property by the Fairmount Park Historic Preservation Trust, Inc. ("Trust") pursuant to a Master Sublease Agreement between the Philadelphia Authority for Industrial Development ("PAID") and the Trust, and pursuant to a Master Lease Agreement between the City and PAID, all as authorized by Bill No. 505 (approved June 8, 1993), under certain terms and conditions. — Open Common Ground