Members of the commission shall take an oath to uphold the Constitution and laws of the United States and of the State of Georgia and shall receive a salary of $59.00 per day for each day of service and such expenses and allowances while performing their duties of office as are refundable to state employees. All expenses incurred by the commission in the performance of its duties shall be paid from funds available to the General Assembly. The commission shall meet no more than 30 days during the year it is established and no more than 15 days in any year thereafter.