Tex. Prop. Code § 5.151
(a) A person who mails to the owner of a mineral or royalty interest an offer to purchase only the mineral or royalty interest, it being understood that for the purpose of this section the taking of an oil, gas, or mineral lease shall not be deemed a purchase of a mineral or royalty interest, and encloses an instrument of conveyance of only the mineral or royalty interest and a draft or other instrument, as defined in Section 3.104, Business & Commerce Code, providing for payment for that interest shall include in the offer a conspicuous statement printed in a type style that is approximately the same size as 14-point type style or larger and is in substantially the following form:
BY EXECUTING AND DELIVERING THIS INSTRUMENT YOU ARE SELLING ALL OR A PORTION OF YOUR MINERAL OR ROYALTY INTEREST IN (DESCRIPTION OF PROPERTY BEING CONVEYED).
(b) A person who conveys a mineral or royalty interest as provided by Subsection (a) may bring suit against the purchaser of the interest if:
(c) A plaintiff who prevails in a suit under Subsection (b) may recover from the initial purchaser of the mineral or royalty interest the greater of:
(d) The prevailing party in a suit under Subsection (b) may recover:
Added by Acts 1999, 76th Leg., ch. 1200, Sec. 1, eff. Sept. 1, 1999.