30 ILCS 315/3

An issuing authority shall issue a replacement bond for an unmatured bond which has been lost, destroyed or defaced when furnished with: (a) Proof of ownership; (b) Proof of loss or destruction or, in the case of a defaced bond, the bond and any coupons issued in connection therewith; (c) Adequate security to indemnify the issuing authority and the bank or banks at which the bond is payable against any loss they may suffer on account of such replacement bond; and (d) Payment of the cost of preparation of the replacement bond.