Tex. Fin. Code § 342.454
Within a reasonable time after a loan is repaid in full or an open-end account is terminated according to the terms of the contract, a lender shall cancel and return to a borrower any instrument, including a note, assignment, security agreement, or mortgage that:
Added by Acts 1999, 76th Leg., ch. 62, Sec. 7.19, eff. Sept. 1, 1999.
Amended by Acts 1999, 76th Leg., ch. 909, Sec. 2.18, eff. Sept. 1, 1999.