FAR 52.228-1—Bid Guarantee.
Plain-English Summary
FAR 52.228-1, Bid Guarantee, addresses when a bid guarantee is required, what forms it may take, how much it must be, when it must be submitted, when the Government returns it, and what happens if the apparent successful bidder does not follow through after award. In practical terms, this provision protects the Government against the risk that a low bidder will refuse to execute the contract or provide required performance and payment bonds after being selected for award. It also gives contracting officers a basis to reject a bid that lacks a proper guarantee, although the clause uses permissive language (“may be cause for rejection”) rather than automatic rejection in every case. The clause covers acceptable guarantee instruments such as bid bonds, certified checks, cashier’s checks, postal money orders, irrevocable letters of credit, and certain Treasury instruments, as well as the timing for return of guarantees to unsuccessful and successful bidders. It further explains the bidder’s liability if default occurs after award and the Government must reprocure at a higher price, allowing the bid guarantee to offset the excess reprocurement cost. For contractors, the clause is a strict compliance item tied to bid responsiveness and post-award obligations; for contracting officers, it is a risk-management tool that must be applied consistently with the solicitation and applicable bonding requirements.
Key Rules
Guarantee may be required
If the solicitation requires a bid guarantee, failure to provide it in the proper form and amount by bid opening may justify rejection of the bid. This is a responsiveness issue in sealed bidding and must be evaluated at the time bids are opened.
Acceptable forms of guarantee
The bidder must furnish a firm commitment such as a bid bond backed by acceptable sureties, a postal money order, certified check, cashier’s check, irrevocable letter of credit, or certain Treasury-authorized bonds or notes. The guarantee must be legally enforceable and acceptable to the Government.
Amount is limited by clause
The solicitation must state the required percentage or dollar amount, and the guarantee is the lesser of the two. This caps the bidder’s exposure and ensures the guarantee is proportionate to the procurement risk.
Return of non-bid-bond guarantees
The contracting officer must return bid guarantees other than bid bonds to unsuccessful bidders as soon as practicable after bid opening, and to the successful bidder after execution of the required contractual documents and bonds, including any required coinsurance or reinsurance agreements.
Failure to execute award documents
If the successful bidder does not sign the contract or furnish required bonds within 10 days after receiving the forms, the contracting officer may terminate the contract for default. The clause gives the Government a remedy when the bidder backs out after award.
Government recovery for excess reprocurement cost
If default occurs, the bidder is liable for the additional cost of obtaining the work from another source above the bidder’s price, and the bid guarantee may be used to offset that difference. This protects the Government from financial loss caused by the bidder’s failure to perform the award process.
Responsibilities
Contracting Officer
State the required bid guarantee percentage or dollar amount in the solicitation, determine whether the guarantee is in proper form and amount, decide whether a missing or defective guarantee warrants rejection, return non-bid-bond guarantees to unsuccessful bidders promptly, return the successful bidder’s guarantee after contract execution and required bonds are in place, and pursue default remedies if the successful bidder fails to execute the contract or furnish bonds within 10 days.
Bidder
Submit a bid guarantee in the exact form and amount required by the solicitation by the time set for bid opening, ensure the guarantee is a firm commitment and otherwise acceptable to the Government, and after award promptly execute the contract and provide any required bonds or related agreements within the required 10-day period.
Surety or Financial Institution
Provide a valid, enforceable guarantee instrument that meets the solicitation requirements and is acceptable to the Government, including adequate backing for a bid bond or other permitted financial instrument.
Government
Use the bid guarantee to offset excess reprocurement costs if the successful bidder defaults after award and the work must be acquired from another source.
Practical Implications
A missing or defective bid guarantee can make a bid nonresponsive, so bidders must treat this as a hard deadline item, not something that can usually be cured after opening.
The form matters as much as the amount; a check, letter of credit, or bond that does not meet the solicitation’s requirements can still create rejection risk.
Contracting officers should verify both the face amount and the acceptability of the surety or instrument before award, especially in sealed bidding where mistakes are hard to fix later.
Successful bidders must be ready to sign and provide bonds quickly after award; delays beyond 10 days can trigger default termination and financial liability.
The guarantee is not just paperwork—it is a real financial backstop for the Government if the bidder refuses to proceed and the agency must reprocure at a higher price.
Official Regulatory Text
As prescribed in 28.101-2 , insert a provision or clause substantially as follows: Bid Guarantee (Sept 1996) (a) Failure to furnish a bid guarantee in the proper form and amount, by the time set for opening of bids, may be cause for rejection of the bid. (b) The bidder shall furnish a bid guarantee in the form of a firm commitment, e.g., bid bond supported by good and sufficient surety or sureties acceptable to the Government, postal money order, certified check, cashier’s check, irrevocable letter of credit, or, under Treasury Department regulations, certain bonds or notes of the United States. The Contracting Officer will return bid guarantees, other than bid bonds- (1) To unsuccessful bidders as soon as practicable after the opening of bids; and (2) To the successful bidder upon execution of contractual documents and bonds (including any necessary coinsurance or reinsurance agreements), as required by the bid as accepted. (c) The amount of the bid guarantee shall be ______ percent of the bid price or $ ________ , whichever is less. (d) If the successful bidder, upon acceptance of its bid by the Government within the period specified for acceptance, fails to execute all contractual documents or furnish executed bond(s) within 10 days after receipt of the forms by the bidder, the Contracting Officer may terminate the contract for default. (e) In the event the contract is terminated for default, the bidder is liable for any cost of acquiring the work that exceeds the amount of its bid, and the bid guarantee is available to offset the difference. (End of clause)