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part52.dev Federal Acquisition Clause Monitor
FAR Clause

52.219-31

Notice of Small Business Reserve.
View on acquisition.gov · View on eCFR.gov
Effective Date
MAR 2020
Active Deviations
Versions
1 (since 2020-03-30)
RFO
RFO Version Available

The Revolutionary FAR Overhaul has published a revised version of this clause. The RFO version supersedes the eCFR text below for contracts using the RFO model; see the RFO deviation for applicability.

View RFO version
52.219-31 Notice of Small Business Reserve.

As prescribed in 19.507(g)(1), insert the following provision:

Notice of Small Business Reserve (MAR 2020)

(a) This solicitation contains a reserve for one or more small business concerns identified at 19.000(a)(3). The small business program eligibility requirements apply.

(b) The small business concern(s) eligible for participation in the reserve shall submit one offer that addresses each portion of the solicitation for which it wants to compete. Award of the contract will be based on criteria identified elsewhere in the solicitation.

(End of provision)

[85 FR 11773, Feb. 27, 2020]
19.507(g)
(g)
(1) The contracting officer shall insert the provision at 52.219-31, Notice of Small Business Reserve, in solicitations for multiple-award contracts that have reserves.

(2) The contracting officer shall insert the clause at 52.219-32 Orders Issued Directly Under Small Business Reserves, in solicitations and the resulting multiple-award contracts that have reserves.
Prescription data sourced from eCFR as of 2026-06-10 03:16 UTC. Cross-references within the prescription are not resolved automatically.

Regulatory Stack

The layers of regulation that govern this clause, from the FAR prescription through agency-specific supplements and any active deviations.

RFO RFO Version Overhauled clause text
The Revolutionary FAR Overhaul publishes a revised version of this clause. See the RFO Version tab for the controlling authority under the RFO model.

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FAR FAR Prescription 19.507(g)
(g)
(1) The contracting officer shall insert the provision at 52.219-31, Notice of Small Business Reserve, in solicitations for multiple-award contracts that have reserves.

(2) The contracting officer shall insert the clause at 52.219-32 Orders Issued Directly Under Small Business Reserves, in solicitations and the resulting multiple-award contracts that have reserves.

View on acquisition.gov · View on eCFR.gov

Version History

Version history is sourced from the codified eCFR. Changes published only as class deviations or by the Revolutionary FAR Overhaul do not appear here until they are incorporated into the eCFR. For RFO-driven changes see the RFO Version tab and any active deviations cited above.

No version history available from eCFR.

RFO Version

Comparison of the codified eCFR text against the Revolutionary FAR Overhaul revision. Highlights show additions (green) and deletions (red, struck through).

Clause Text

Substantive changes. The RFO version differs materially from the eCFR text.
eCFR (codified)
RFO (implemented)
Unchanged
52.219-31 Notice of Small Business Reserve.
eCFR (codified)
RFO (implemented)
1 added, 1 removed
As prescribed in 19.507(g)(1), insert the following provision:
As prescribed in 19.112(e), insert the following provision:
6 removed
[85 FR 11773, Feb. 27, 2020]

Prescription

Substantive changes. The RFO prescription differs materially from the eCFR prescription.
eCFR (codified)
RFO (implemented)
Unchanged
52.219-31 Notice of Small Business Reserve.: Prescription
eCFR (codified)
RFO (implemented)
2 added, 3 removed
(g)
(g) (1) The contracting officer shall insert the provision at 52.219-31, Notice of Small Business Reserve, in solicitations for multiple-award contracts that have reserves.
(g)
(e) The contracting officer must insert the provision at 52.219-31, Notice of Small Business Reserve, in solicitations for multiple-award contracts that have reserves.
27 removed
(2)
(2) The contracting officer shall insert the clause at 52.219-32 Orders Issued Directly Under Small Business Reserves, in solicitations and the resulting multiple-award contracts that have reserves.
(2)

Source: acquisition.gov RFO Part 52 · Prescribing Part 19

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