Amending Subcode "A" of Title 4 of The Philadelphia Code, entitled "The Philadelphia Administrative Code," by amending Chapter 3, entitled "Permits"; and Title 9 of The Philadelphia Code, entitled "Regulation of Businesses, Trades and Professions," by amending Chapter 9-200, entitled "Commercial Activities on Streets," to add an exemption, add definitions and provide for the use and regulation of mobile food vendors in certain areas, all under certain terms and conditions. — Open Common Ground