Sec. 31.07.  UNAUTHORIZED USE OF A VEHICLE.  (a)  A person commits an offense if he intentionally or knowingly operates another's boat, airplane, or motor-propelled vehicle without the effective consent of the owner.
(b)  An offense under this section is a state jail felony.
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.