Tex. Penal Code § 12.41
For purposes of this subchapter, any conviction not obtained from a prosecution under this code shall be classified as follows:
Acts 1973, 63rd Leg., p. 883, ch. 399, Sec. 1, eff. Jan. 1, 1974.
Amended by Acts 1993, 73rd Leg., ch. 900, Sec. 1.01, eff. Sept. 1, 1994.
Acts 2009, 81st Leg., R.S., Ch. 87 (S.B. 1969), Sec. 25.149, eff. September 1, 2009.