44 Ill. Adm. Code 6.180
Change or Withdrawal of Bids
Section 660
Section 6.180 Change or
Withdrawal of Bids
An authorized agent of a bidder
may change or withdraw a bid if written or in-person notice of the change or
withdrawal is received by the Department before the time specified for
submission of bids. No change or withdrawal is allowed after bid opening
except as provided in Section 6.230. Changes must be initialed in ink by the
bidder. (See Section 20-10(f) of the Code.)