Each member of the board shall receive the per diem authorized under Section 25-3-69 for each day actually discharging his official duties, and shall receive reimbursement for mileage and necessary expense incurred, as provided in Section 25-3-41. The expenses of the board in carrying out the provisions of this chapter shall be paid upon requisitions signed by the chairman and/or secretary of the board and warrants signed by the State Fiscal Officer from the State Board of Massage Therapy Fund. Such expenses shall not exceed the amount paid into the State Treasury under the provisions of this chapter.