Notwithstanding any other provision of law, to the extent that the funds of this state or any political subdivision of this state may be invested or deposited, by the appropriate custodian of such funds, in interest-bearing deposits with banks, capital stock financial institutions, or qualifying mutual financial institutions, such authorization may include the investment or deposit of funds in interest-bearing deposits in accordance with the following conditions as an alternative to the furnishing of securities or the providing of a deposit guaranty bond pursuant to the Public Funds Deposit Security Act:

(1) The bank, capital stock financial institution, or qualifying mutual financial institution in this state through which the investment or deposit of funds is initially made arranges for the deposit of a portion or all of such funds in interest-bearing deposits with other banks, capital stock financial institutions, or qualifying mutual financial institutions located in the United States;

(2) Each such interest-bearing deposit is fully insured or guaranteed by the Federal Deposit Insurance Corporation;

(3) The bank, capital stock financial institution, or qualifying mutual financial institution through which the investment or deposit of funds was initially made acts as a custodian for the state or political subdivision with respect to any such interest-bearing deposit issued for the account of the state or political subdivision; and

(4) At the same time that the funds are deposited into other banks, capital stock financial institutions, or qualifying mutual financial institutions, the bank, capital stock financial institution, or qualifying mutual financial institution through which the investment or deposit of funds in interest-bearing deposits was initially made receives an amount of deposits from customers of other banks, capital stock financial institutions, or qualifying mutual financial institutions located in the United States which is equal to or greater than the amount of the investment or deposit of funds in interest-bearing deposits initially made by the state or political subdivision.