205 ILCS 5/27

The expenses of any examination made by the Commissioner or at his direction in connection with a proposed merger or a proposed conversion shall be paid by the merging banks or insured savings association or by the converting bank or insured savings association. In any merger under the provisions of Section 31 of this Act, the continuing or resulting bank, or if the proposed merger is not consummated, the bank that would have been the continuing or resulting bank shall pay the expenses of any examination made by the Commissioner or at his direction in connection with the merger.