Each of the members of the reapportionment commission selected and certified shall, for the period the member holds the member’s office, receive compensation of $50 per meeting but not to exceed $1,000 per month and shall be allowed actual and necessary expenses incurred in the performance of the member’s duties. Payments for compensation and expenses shall be paid by warrants signed by the comptroller upon vouchers properly endorsed by the chairperson of the commission. The members of the commission shall be exempt from the provisions of chapter 76.