Wis. Admin. Code § Adm 21.06
(1) At any time prior to the date and time of bid opening, a bidder or the bidder’s representative may withdraw the bid without prejudice to the right of the bidder to submit a new bid. Withdrawal of a bid may be accomplished in one of the following methods:
History: Cr. Register, March, 1979, No. 279, eff. 4-1-79; CR 08-025: am. (1) (b) Register August 2010 No. 656, eff. 9-1-10.