(1) The county board of commissioners by resolution adopted by an affirmative vote of 2/3 of the members, may provide a per diem rate of compensation for the chairperson in an amount larger than the amount established for other members of the board.

    (2) Notwithstanding subsection (1), for a county which has a county officers compensation commission, the compensation of the chairperson of the county board of commissioners shall be determined by that commission.

    (3) The county board of commissioners, by resolution, may authorize the county treasurer to advance funds to a county officer for anticipated expenses in connection with county business. The county officer shall make a complete accounting of all funds advanced and return the unused funds.