Mo. Rev. Stat. § 105.390

105.390. State treasurer as trustee of contributions — receipt, deposit and disposition of funds. — 1. The state treasurer is appointed trustee of the old age and survivors insurance contributions. The trustee shall deposit in one or more banks or trust companies to the credit of the trust the following:

(1) All contributions, interest and penalties collected under section 105.340 ;

(2) All moneys appropriated thereto;

(3) Any property or securities and earnings thereof acquired through the use of the moneys in the account; and

(4) All sums recovered upon the bond of the trustee or otherwise for losses sustained by the account and all other moneys received for the account from any other source.

2. No money shall be deposited in or be retained by any bank or trust company which does not have on deposit with and for the trustee at the time the kind and value of collateral required by section 30.270 for depositaries of the state treasurer.

3. All moneys in the trustee's account shall be mingled and undivided. Subject to the provisions of sections 105.300 to 105.430 , the trustee is vested with full power, authority and jurisdiction over the account, including all moneys and property or securities belonging thereto, and may perform any and all acts which are necessary to the administration thereof consistent with the provisions of sections 105.300 to 105.430 , except that all withdrawals from the trustee's account shall be accompanied by a certification of the director of the division of accounting that the withdrawal is in the correct amount and for a proper and legal purpose.

4. The trustee's account shall be held separate and apart from any other funds or moneys of the state and shall be used and administered exclusively for the purpose of sections 105.300 to 105.430 . Withdrawals from such account shall be made solely for:

(1) Payment of amounts required to be paid to the federal agency;

(2) Payments of refunds provided for in section 105.340 ; or

(3) Investing part or all of the account in United States obligations or for placing part or all of the account in open account time deposits in banking institutions in this state selected by the state treasurer and approved by the governor and state auditor.

5. All interest received from the investment or deposit of funds from this account and all interest and penalties collected but not remitted to the federal agency shall be credited by the state treasurer to general revenue.

6. From his account the trustee shall pay to the federal agency such amounts and at such times as may be directed by the state agency in accordance with any agreement entered into under section 105.310 .

(L. 1951 p. 788 § 6, A.L. 1959 S.B. 186, A.L. 1973 H.B. 615, A.L. 1980 H.B. 1153, A.L. 1985 H.B. 640, A.L. 2018 S.B. 975 & 1024 Revision) CROSS REFERENCE: Multinational banks, securities and obligations of, investment in, when, 409.950