A license issued or renewed under this chapter is valid for one year.

Acts 1981, 67th Leg., p. 1316, ch. 388, Sec. 1, eff. Sept. 1, 1981.

Acts 2005, 79th Leg., Ch. 44 (H.B. 901), Sec. 4, eff. September 1, 2005.

Acts 2009, 81st Leg., R.S., Ch. 506 (S.B. 1016), Sec. 6.08, eff. September 1, 2009.