Texas Government Code - GOV'T § 2257.045. Receipt of Security by Custodian

(a) On receipt of an investment security, a custodian shall immediately identify on its books and records, by book entry or another method, the pledge of the security to the public entity.

(b) For a deposit of public funds under Subchapter F,  1 the custodian shall issue and deliver to the comptroller a trust receipt for the pledged security.

(c) For any other deposit of public funds under this chapter, at the written direction of the appropriate public entity officer, the custodian shall:

(d) The custodian shall issue and deliver the trust receipt as soon as practicable on the same business day on which the investment security is received.