7D - ORDINANCE RELATING TO ZONING IN THE UNINCORPORATED AREA; AMENDING SECTION 33-284.87 OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA; AMENDING STANDARD URBAN CENTER DISTRICT REGULATIONS TO PROVIDE FOR CERTAIN DIGITAL POINT OF SALE SIGNAGE IN THE DOWNTOWN KENDALL URBAN CENTER DISTRICT, UNDER CERTAIN CIRCUMSTANCES; AMENDING STANDARD URBAN CENTER REGULATIONS TO PROVIDE FOR CERTAIN RESIDENTIAL BUILDING IDENTIFICATION SIGNS; DIRECTING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO TAKE CERTAIN ACTION, AND ESTABLISHING COUNTY POLICY, RELATING TO REVENUE-SHARING AGREEMENTS AND ARRANGEMENTS WITH RESPECT TO SIGNAGE ON COUNTY-OWNED AND COUNTY-OCCUPIED PROPERTIES, AND ESTABLISHING COUNTY POLICY AS TO HOW SUCH REVENUE PAID TO THE COUNTY SHOULD BE USED; PROVIDING SEVERABILITY, INCLUSION IN THE CODE, AND AN EFFECTIVE DATE