Section 33: Withdrawal and modification of bids
consolidated text (as at 2018, amended since). juris shows the text as it was consolidated; it does not confirm that this is the law in force today.
33. Withdrawal and modification of bids
A bidder may modify, substitute, or withdraw its bid after submission,
where the written notice of the modification, substitution or withdrawal is
received by the public body before the deadline for the submission of bids.