5(1)Subject to subparagraph (3) below, any casual vacancy occurring in the office of an appointed Commissioner shall be filled as soon as reasonably practicable by the appointment by the appointing body by whom that Commissioner was appointed of a person to fill the vacancy.
(2)A person appointed to fill a casual vacancy shall (unless the person previously dies or resigns) hold office during the remainder of the term for which the vacating Commissioner was appointed.
(3)An appointing body need not fill any vacancy occurring less than three months before the ordinary date of retirement from the office in which the vacancy occurs.