4C - ORDINANCE RELATING TO THE RULES OF PROCEDURE OF THE BOARD OF COUNTY COMMISSIONERS; AMENDING SECTION 2-1 OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA; REVISING REQUIREMENTS RELATING TO SPONSORSHIP OF COUNTY APPROVALS OF STATE OR MUNICIPAL NAMINGS, RENAMINGS OR CODESIGNATIONS OF ROADS, FACILITIES OR PROPERTY; CLARIFYING BACKGROUND RESEARCH REQUIREMENTS FOR COUNTY APPROVALS OF STATE OR MUNICIPAL NAMINGS, RENAMINGS OR CODESIGNATIONS OF ROADS, FACILITIES OR PROPERTY; PROVIDING SEVERABILITY, INCLUSION IN THE CODE, AND AN EFFECTIVE DATE