All moneys received by the various agencies of the city for specific purposes, as trustee, escrow agent, custodian, or security holder and which moneys are found by the director of budget and fiscal services, in view of the nature of the purposes for which the same have been received, to require expeditious disbursement shall be deposited into the treasury trust fund from which the director of budget and fiscal services may authorize disbursements through checking accounts. Such moneys shall be maintained by separate accounts according to, and used for, the purposes for which such moneys are received.
(Sec. 5-6.2, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 6, Art. 4, § 6-4.2)