Tex. Natural Resources Code § 52.132: FORM OF PAYMENT.

Except as provided in Section 52.133 of this code, royalty payments shall be made in cash, by bank draft drawn on a state or national bank in Texas, by a post-office or express money order, or in any other form that the law may provide for making payments to the State Treasury and are payable to the commissioner in Austin.

Acts 1977, 65th Leg., p. 2455, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.