Tex. Occ. Code § 801.304
A veterinarian is exempt from the fee requirements imposed under Section 801.303 if the veterinarian:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2011, 82nd Leg., R.S., Ch. 940 (H.B. 414), Sec. 17, eff. September 1, 2011.