This ordinance amends Title 14 of The Philadelphia Code, specifically "Zoning and Streets," to establish a new CMX-3.5 Commercial Mixed-Use District. The amendment affects Section 14-303 of the code. Furthermore, the ordinance includes provisions to amend Section 14-502(6), which relates to the existing CMX-3 Commercial Mixed-Use District. These comprehensive changes are implemented under specific terms and conditions to update and refine the city's zoning regulations concerning mixed-use developments across Philadelphia.