(b) The citizen and health care provider members of the board shall receive the same compensation authorized by law for members of the Legislature for their interim duties for each day, or portion thereof, the member is engaged in the discharge of official duties. All board members shall be reimbursed for their actual and necessary expenses incurred in the discharge of official duties, except that mileage shall be reimbursed at the same rate as that authorized for members of the Legislature. All payments for compensation and expenses shall be made from the assets of the association.