FAR 53.215-1—Solicitation and receipt of proposals.
Plain-English Summary
FAR 53.215-1 tells contracting personnel which standard forms and optional forms may be used when soliciting and awarding negotiated procurements. It covers the use of SF 26, SF 30, SF 33, OF 17, OF 307, OF 308, and OF 309, and it ties each form to the related procedures in FAR Part 15 and the form prescriptions in FAR Part 53. The section also makes clear that these forms are for contracting by negotiation, but not for construction, architect-engineer services, or acquisitions using simplified acquisition procedures. In practice, this provision helps agencies standardize how requests for proposals are issued, amended, labeled, received, and awarded, while preserving flexibility to choose the form that best fits the acquisition and award method. It matters because the wrong form, or using a form outside its authorized context, can create administrative confusion, protest risk, or documentation problems in the contract file. The section is essentially a cross-reference rule: it does not create new competition requirements, but it tells users which approved forms may be used for solicitation and receipt of proposals and for award/modification actions in negotiated acquisitions.
Key Rules
Applies to negotiated acquisitions
The listed forms are prescribed for contracting by negotiation. They do not apply to construction, architect-engineer services, or acquisitions conducted under simplified acquisition procedures.
SF 26 for single-document awards
SF 26 may be used for negotiated contracts when a single document signed by both parties is appropriate. Block 18 may not be used for negotiated procurements.
SF 30 for amendments
SF 30 may be used to amend requests for proposals and requests for information. It is the standard amendment/modification form referenced for negotiated acquisitions.
SF 33 for solicitation and award
SF 33 may be used for the solicitation and award of negotiated contracts. Awards under this approach may be made using OF 307, SF 33, or SF 26, depending on the procedures and award format used.
OF 17 for proposal handling
OF 17 may be furnished with each request for proposals to help identify and handle proposals. It is a support form, not the award document itself.
OF 307 for contract award
OF 307 may be used to award negotiated contracts. It is one of the approved award documents for negotiated acquisitions.
OF 308 for solicitation support
OF 308 may be used to support the solicitation of negotiated contracts. Awards for such acquisitions may then be made by OF 307 as authorized.
OF 309 for solicitation amendments
OF 309 may be used to amend solicitations for negotiated contracts. It serves the same amendment function as SF 30 in this context.
Responsibilities
Contracting Officer
Select and use only the forms authorized for the type of negotiated acquisition being conducted. Ensure the solicitation, amendment, receipt, and award documents match the acquisition method and comply with the referenced FAR provisions, including the restriction on Block 18 of SF 26.
Contracting Activity / Agency
Provide and maintain the approved forms and ensure personnel use the correct versions and formats. Train staff on when each form is appropriate and how the forms align with Part 15 procedures and Part 53 prescriptions.
Offerors / Contractors
Use the solicitation package and any proposal-labeling or amendment instructions provided by the government. Respond to amendments and submit proposals in the format and manner required by the solicitation and associated forms.
Procurement Support Staff
Prepare, distribute, and track the correct solicitation and amendment forms, including proposal labels where used. Help ensure proposals and award documents are properly identified, routed, and filed.
Practical Implications
This section is mainly about form selection and document control, so the biggest day-to-day issue is using the right form for the right acquisition type. A mismatch can create avoidable administrative errors even if the underlying competition is otherwise proper.
Contracting officers should verify whether the acquisition is negotiated and whether any of the exclusions apply before choosing SF 26, SF 33, OF 307, OF 308, SF 30, or OF 309. Using these forms outside their prescribed context can undermine the file and complicate award processing.
OF 17 is easy to overlook because it is not the award document, but it can be important for organizing incoming proposals and reducing handling errors. Agencies that use it should make sure offerors understand any labeling instructions.
The cross-references to FAR 15.210 and 15.509 mean this section must be read together with the solicitation and award procedures in Part 15. Users should not treat the form list as standalone authority without checking the related procedural rules.
A common pitfall is assuming all negotiated awards must use the same form. FAR 53.215-1 gives multiple approved options, so the correct choice depends on whether the agency wants a single signed contract document, a solicitation/offer/award format, or a separate award form.
Official Regulatory Text
The following forms are prescribed, as stated in the following paragraphs, for use in contracting by negotiation (except for construction, architect-engineer services, or acquisitions made using simplified acquisition procedures): (a) SF 26 (Rev.3/2013), Award/Contract. SF 26 , prescribed in 53.214 (a), may be used in entering into negotiated contracts in which the signature of both parties on a single document is appropriate, as specified in 15.509 . Block 18 may not be used for negotiated procurements. (b) SF 30 (Rev.11/2016), Amendment of Solicitation/Modification of Contract. SF 30 , prescribed in 53.243 , may be used for amending requests for proposals and for amending requests for information, as specified in 15.210 (b). (c) SF 33 (Rev.9/97), Solicitation, Offer and Award. SF 33 , prescribed in 53.214 (c), may be used in connection with the solicitation and award of negotiated contracts. Award of such contracts may be made by either OF 307 , SF 33 , or SF 26 , as specified in 53.214 (c) and 15.509 . (d) OF 17 (Rev.12/93), Offer Label. OF 17 may be furnished with each request for proposals to facilitate identification and handling of proposals, as specified in 15.210 (c). (e) OF 307 (Rev.8/2016), Contract Award. OF 307 may be used to award negotiated contracts as specified in 15.509 . (f) OF 308 (Rev.9/97), Solicitation and Offer-Negotiated Acquisition. OF 308 may be used to support solicitation of negotiated contracts as specified in 15.210 (a). Award of such contracts may be made by OF 307 , as specified in 15.509 . (g) OF 309 (Rev.9/97), Amendment of Solicitation. OF 309 may be used to amend solicitations of negotiated contracts, as specified in 15.210 (b).