Local Government Code §116.112

(a) The commissioners court may direct the county treasurer to withdraw any county funds deposited in a county depository that are not immediately required to pay obligations of the county and invest those funds as provided by this section unless such an investment or withdrawal is prohibited by law or the withdrawal is contrary to the terms of the depository contract. (b) The funds may be invested in accordance with Subchapter A , Chapter 2256 , Government Code. In addition to the obligations, certificates, and agreements described by that Act, the funds may be invested in certificates of deposit issued by a state or federal savings and loan association domiciled in this state, the payment of which is insured in full by the Federal Savings and Loan Insurance Corporation or its successor. (c) If a county purchases a security repurchase agreement, the agreement must be purchased under a master contractual agreement that specifies the rights and obligations of both parties and that requires that securities involved in the transaction be held in a safekeeping account subject to the control and custody of the county. (d) Repealed by Acts 1989, 71st Leg., ch. 754, Sec. 2, eff. June 15, 1989.