GAO Sustain: Failure to Acknowledge Solicitation Amendment was a Material Defect

Preparing and submitting a bid for a federal procurement requires strict compliance with the solicitation’s instructions. When a bidder fails to comply with these instructions (such as failing to acknowledge an amendment to the solicitation), the bidder may be surprised by the agency’s seemingly harsh decision to eliminate the bidder from award. But if the agency ignores the error and proceeds to award the contract to the bidder, the agency’s decision risks protest of the award from other bidders.

In Morrish-Wallace Constr. d/b/a Ryba Marine Constr. Co., B-423796.2 (Feb. 5, 2026), GAO examined whether an awardee’s failure to acknowledge an amendment to the RFQ constituted a minor informality that could be waived.

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GovCon Basics: Common Procurement Methods and Terminology

The acronyms and terminology used in federal government contracting can be a labyrinth–one sadly devoid of David Bowie. In this post, we’ll clarify some of the common methods used for government procurements, the regulations defining them, and the terminology associated with them.

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Late Bid Revision Costs Bidder The Award

When a bidder submits a bid under a sealed bid procurement, it is responsible for ensuring that the bid is timely submitted. But what happens if a bidder wants to revise a bid that’s already been submitted?

As a recent GAO case shows, even a revised bid must be timely submitted in order for it to be considered. If a bidder tries to revise its bid too late in the process, it might end up costing itself the award.

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