The official depositories of the city are Magna Bank N.A., a National Bank Association, a National Bank Corporation, First Financial Bank FSB, a Federal Savings and Loan Association, and the Illinois Public Treasurer’ s Investment Pool ("IPTIP") as designated depositories for city funds and revenues. (65 ILCS 5/3.1-35-80). (Amended during 1997 codification: Ord. 813 § 1 (part), 1990: prior code § 2-7-13(A))