Tex. Government Code § 836.004: EXEMPTION FROM EXECUTION.

All annuity and other benefit payments from the retirement system, contribution refunds, and rights accrued or accruing under this subtitle to any person are exempt from garnishment, attachment, state and local taxation, levy, sale, and any other process and are unassignable.

Added by Acts 1985, 69th Leg., ch. 602, Sec. 1, Sept. 1, 1985. Renumbered from Vernon's Ann.Civ.St. Title 110B, Sec. 71.004 by Acts 1989, 71st Leg., ch. 179, Sec. 1, eff. Sept. 1, 1989.