Tex. Nat. Res. Code § 91.408
(a) A payor of proceeds from the sale of gas produced from a tight formation as defined by Section 29(c)(2)(B), Internal Revenue Code of 1986, annually shall furnish the payee a statement providing the information necessary to compute the federal income tax credit provided by that section for the gas for which payment was made in the preceding year, including:
(2) the volume of the gas, measured in:
Added by Acts 1999, 76th Leg., ch. 609, Sec. 1, eff. Sept. 1, 1999;
Acts 1999, 76th Leg., ch. 1483, Sec. 5, eff. Sept. 1, 1999.