Section 2414.407-3 - Other mistakes disclosed before award(e) The determination to allow a bidder to: Correct a mistake in bid discovered before award (other than obvious clerical errors); withdraw a bid; or, neither correct nor withdraw a bid shall be submitted to the Head of the Contracting Activity for approval.57 FR 59788, Dec. 15, 1992. Redesignated at 61 FR 19470, May 1, 1996