65 ILCS 5/9-2-110
Except as otherwise provided in Section 9-2-113, if such original bidder fails or refuses for 20 days after the first publication of the notice of award, or in case a contract is made with the owners, and default by them, then, within 10 days after notice that the owners are in default, to enter into a contract, which shall be simultaneously executed by the municipality and signed by the president of the board of local improvements and attested by the municipal clerk under the municipal seal, then the board of local improvements, without further proceedings, shall again advertise for proposals or bids, as in the first instance, and award the contract for the work to the then regular lowest bidder. The bids of all persons, and the election of all owners as specified in Section 9-2-109 who have failed to enter into the contract as provided in this Division 2, shall be rejected in any bidding or election subsequent to the first for the same work.
65 ILCS 5/9-2-110