Tenn. Code Ann. § 69-5-606

Members of the board of directors shall receive as compensation for their services, in attending to their duties as directors, fifty cents (50¢) per hour for the time actually consumed in attending to such duties, but not to exceed twenty-five (25) hours in any one (1) month, and also their actual expenses paid out or incurred on account of attending to their duties as directors. The account for time and expenses shall be kept, made out, sworn to, and filed with the clerk of the county before payment is made.