The terms of rotating members of the Library Advisory Board shall be four (4) years and shall commence on February 1 and end on January 31. A vacancy on the Library Advisory Board shall exist upon the death, resignation, or termination of residence within the city or area of the supervisorial district from which appointed. Vacancies shall be filled for the unexpired term by the appointing authority. Each member shall serve until the appointment and qualification of his successor; provided, however, no member shall serve more than two (2) consecutive terms. A one-year term shall not be counted as one of the two (2) consecutive terms. (§IV, Ord. 558, as amended by § 2, Ord. 830, eff. March 8, 1979, § 1, Ord. 979, eff. August 9, 1984, and § 2, Ord. 1049, eff. February 12, 1987)