No deposits in excess of the amount insured or guaranteed by the Federal Deposit Insurance Corporation shall be made or be allowed to accumulate in any bank, capital stock financial institution, or qualifying mutual financial institution designated as a depository unless and until the treasurer or other competent officer of the district has received from such depository as security for the prompt repayment of such deposits by the depository either a surety bond in form and with corporate sureties approved by formal resolution of the board of directors of such district or, in lieu thereof, the giving of security as provided in the Public Funds Deposit Security Act. Section 77-2366 shall apply to deposits in capital stock financial institutions. Section 77-2365.01 shall apply to deposits in qualifying mutual financial institutions.