An exception to firm bidding allows the buyer and bidders the flexibility to clarify and define specifications and prices after the initial bids are received,and then bidders submit best-and-final-offers (BAFOs).

Firm Bidding

A procurement and contracting method where bidders submit fixed price proposals that cannot be altered after submission.

Best-And-Final-Offers

Best-and-final offers are the last and most competitive bids or proposals requested from suppliers or contractors during a negotiation, after which a selection is made.

Clarify

To make a statement or situation less confused and more understandable.