4B - ORDINANCE RELATED TO THE SOUTH DADE BLACK HISTORY CENTER ( — CENTER — ) AND THE SOUTH DADE BLACK HISTORY CENTER ADVISORY BOARD ( — SDAB — ); AMENDING ARTICLES XLVI AND CLXVI OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA; RENAMING THE CENTER AND SDAB; MAKING TECHNICAL REVISIONS; SUSPENDING RULE 5.06(A) BY A TWO-THIRDS VOTE OF BOARD MEMBERS PRESENT AS RELATED TO THE PREPARATION AND ENACTMENT OF ORDINANCES AND RESOLUTIONS; AND PROVIDING SEVERABILITY, INCLUSION IN AND EXCLUSION FROM THE CODE, AND AN EFFECTIVE DATE