15-2-104. Employees -- expenses -- minutes -- rules. The Montana tax appeal board may appoint a secretary and employ other persons as experts, assistants, clerks, and stenographers as may be necessary to perform the duties that may be required of it. The total expenses of the board may not exceed, in the aggregate during any fiscal year, the amount appropriated for the board for all purposes by the legislature for that year. The secretary shall keep full and correct minutes of the transactions and proceedings of the board and may administer oaths and perform other duties as may be required. The board may adopt rules for the orderly and methodical performance of its duties as a tax appeal board and for conducting hearings and other proceedings before it.