No person may be appointed to a position on the board unless he or she is a resident of the city. A position on the board becomes vacant when that member ceases to be a resident of the city. The position of a member is forfeited and becomes vacant for failure to attend three regular consecutive meetings of the board, unless such absence is excused by a majority of the members of the board. (Ord. 4474 §§ 2, 3, 1993; Ord. 3727 § 9, 1986; Ord. 2763 § 1, 1979; 1961 code § 3.67.020.)