Tex. Spec. Dist. Code § 1072.057
A director or officer serves without compensation but may be reimbursed for actual expenses incurred in the performance of official duties. The expenses must be:
Added by Acts 2009, 81st Leg., R.S., Ch. 876 (S.B. 2517), Sec. 3.01, eff. June 19, 2009.