FAR and DFARS › FAR Part 15: Contracting by Negotiation › Subpart 15.3
FAR 15.308 Source selection decision.
The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.
In plain English
This section says the source selection authority must pick a winner by comparing proposals against all the criteria in the solicitation, using their own independent judgment even if they rely on reports from others. The decision must be documented, including the reasoning behind any tradeoffs and business judgments, such as paying more for extra benefits. It matters because a contractor can expect the award to be based on the stated criteria and to have a written record explaining the choice.
Applies to: The source selection authority (SSA) making a source selection decision
What it requires
- Base the decision on a comparative assessment of proposals against all source selection criteria in the solicitation
- Ensure the source selection decision represents the SSA's independent judgment
- Document the source selection decision
- Include in the documentation the rationale for any business judgments and tradeoffs made or relied on, including benefits associated with additional costs
Key terms: source selection authority (SSA) · comparative assessment · source selection criteria · independent judgment · tradeoffs
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
The source selection authority's (SSA) decision shall be based on a comparative assessment of proposals against all source selection criteria in the solicitation. While the SSA may use reports and analyses prepared by others, the source selection decision shall represent the SSA's independent judgment. The source selection decision shall be documented, and the documentation shall include the rationale for any business judgments and tradeoffs made or relied on by the SSA, including benefits associated with additional costs. Although the rationale for the selection decision must be documented, that documentation need not quantify the tradeoffs that led to the decision.
← 15.307 Proposal revisions. · 15.400 Scope of subpart. →
Rule changes for FAR Part 15
- Federal Acquisition Regulation: Revolutionary FAR Overhaul Parts 8, 12, 13, 15, 38, 44, and 51 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · final rule 2025-08-27 · effective 2025-10-01
- Federal Acquisition Regulation: Preventing Organizational Conflicts of Interest in Federal Acquisition ↗ · proposed 2025-01-15 · comments due 2025-03-17
- Federal Acquisition Regulation: Controlled Unclassified Information ↗ · proposed 2025-01-15 · comments due 2025-03-17
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · proposed 2024-11-29 · comments due 2025-01-28
- Federal Acquisition Regulation: Reverse Auction Guidance ↗ · final rule 2024-07-30 · effective 2024-08-29
- Federal Acquisition Regulation: Sustainable Procurement ↗ · final rule 2024-04-22 · effective 2024-05-22
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.