Amending Title 9 of The Philadelphia Code, entitled "Regulation of Businesses, Trades and Professions," by authorizing duly designated employees of the Philadelphia Parking Authority ("Authority") to enforce Section 9-102(3)(a), which requires a person licensed under Title 9 to produce a copy of the license upon request; amending Subcode "A" of Title 4 of The Philadelphia Code, entitled "The Philadelphia Administrative Code," to require a person who is required under Title 4 to be licensed to conduct a trade or practice to produce such license upon the request of the code official, and definin — Open Common Ground