7C - ORDINANCE RELATING TO COUNTY BOARDS; AMENDING SECTION 2-11.38 OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA; REQUIRING CLERK OF THE BOARD TO NOTIFY COUNTY COMMISSIONERS WHEN ANY POSITION ON A COUNTY BOARD BECOMES VACANT; PROVIDING SEVERABILITY, INCLUSION IN THE CODE, AND AN EFFECTIVE DATE [SEE ORIGINAL ITEM UNDER FILE NO. 260367]