70 ILCS 2405/21a

Any sanitary district having any undistributed or unclaimed money received from the making of any local improvement paid for wholly or in part by special assessment, after complying with all the provisions for the distribution of such rebates or refunds as prescribed in Division 2 of Article 9 of the "Illinois Municipal Code", approved May 29, 1961, as amended, may dispose of such unclaimed rebates or refunds as is prescribed by Sections 9-1-5 through 9-1-14, inclusive, of the "Illinois Municipal Code", approved May 29, 1961, as amended.