For the 2006 marketing year, the term of office of all members of the commission, except ex officio members, shall be from the beginning of the marketing year that commences in the year of their election and until qualified successors are elected for the 2009 marketing year. Thereafter, the term of office of all members of the commission, except ex officio members, shall be two years from the beginning of the marketing year in which they are elected and until qualified successors are elected. The same selection procedure shall apply to handler members. Terms of office of each member and alternate member of the commission shall be limited to four consecutive two-year terms.