Tex. Penal Code § 37.03: AGGRAVATED PERJURY.

(a) A person commits an offense if he commits perjury as defined in Section 37.02, and the false statement:

(1) is made during or in connection with an official proceeding; and

(2) is material.

(b) An offense under this section is a felony of the third degree.

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.