Tex. Transportation Code § 202.002: FUNDS.

(a) The commission shall use automobile registration fees in the state highway fund to maintain state highways and may not divert funds from automobile registration fees for another use.

(b) Notwithstanding Subsection (a), if the commission is without sufficient funds from other sources to match the federal aid for roads in the state, the commission may by resolution transfer a sufficient amount from the state highway fund to match the federal aid.

Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.