Section 154.104 - Term of Permit(a) The commission by rule shall prescribe the term of a permit issued under this subchapter.(b) If the commission prescribes the term of a permit issued under this subchapter for a period other than one year, the commission shall prorate the fee required under this subchapter as necessary to reflect the term of the permit.Amended by Acts 2019, Texas Acts of the 86th Leg.- Regular Session, ch. 20,Sec. 19, eff. 9/1/2019.Amended by Acts 2001, 77th Leg., ch. 867, Sec. 76, eff. 9/1/2001. Acts 1997, 75th Leg., ch. 1008, Sec. 1, eff. 9/1/1997. See Acts 2019, Texas Acts of the 86th Leg.- Regular Session, ch. 20, Sec. 49.