(815 ILCS 205/4) (from Ch. 17, par. 6404)
It is lawful for a state bank or a branch of an out-of-state bank, as those terms are defined in Section 2 of the Illinois Banking Act, to receive or to contract to receive and collect interest and charges at any rate or rates agreed upon by the bank or branch and the borrower. It is lawful for a savings bank chartered under the Savings Bank Act or a savings association chartered under the Illinois Savings and Loan Act of 1985 to receive or contract to receive and collect interest and charges at any rate agreed upon by the savings bank or savings association and the borrower.