(a) A state trust company may deposit trust funds with itself as an investment if:
(1) the deposit is authorized by the settlor or beneficiary;
(2) the state trust company maintains as security for the deposit a separate fund of securities, legal for trust investments, under control of a federal reserve bank or a clearing corporation, as defined by Section 8.102, Business & Commerce Code, within or outside this state;
(3) the total market value of the security is at all times at least equal to the amount of the deposit; and
(4) the separate fund is designated as a separate fund.
(b) A state trust company may make periodic withdrawals from or additions to a securities fund required by Subsection (a) as long as the required value is maintained. Income from the securities in the fund belongs to the state trust company.
(c) Security for a deposit under this section is not required for a deposit under Subsection (a) to the extent the deposit is insured by the Federal Deposit Insurance Corporation or its successor.
Official text of the Texas Finance Code as published by the Texas Legislative Council.