At their first meeting, the members of the Library Advisory Board shall elect a chairman and vice-chairman to hold office for a twelve (12) month term, and at each June meeting thereafter the members shall elect members to fill such offices for the next succeeding twelve (12) month term. The County Librarian shall be the secretary of the Library Advisory Board. No person shall hold the office of chairman for more than two (2) consecutive terms (§VI, Ord. 558)