Source Selection Authority (SSA)

The Source Selection Authority (SSA) is the official responsible for directing the source selection process and making the final contract award decision in a competitive procurement. The SSA ensures the selected contractor provides the best value to the government based on solicitation evaluation criteria.

What Is the Source Selection Authority?

The Source Selection Authority, commonly known as the SSA, is the official designated to direct and control the source selection process in a competitive procurement.

The SSA is responsible for making the final contract award decision based on the evaluation criteria stated in the solicitation. The SSA ensures that the award decision reflects the best value to the government.

Key Characteristics

Formally designated by the agency

Holds final decision-making authority for contract award

Reviews evaluation findings and advisory recommendations

Documents the rationale for the award decision

Ensures compliance with solicitation criteria and acquisition regulations

How It Works in Government Contracting

Where It Appears in the Procurement Lifecycle: The SSA operates during the evaluation and award phase of negotiated acquisitions conducted under competitive procedures.

Who Uses It: Contracting officers, Source Selection Evaluation Boards, Source Selection Advisory Councils, and senior agency officials support or report to the SSA.

Why It Matters: The SSA is accountable for selecting the offeror that provides the best value to the government, consistent with stated evaluation criteria.

Practical Application: After proposals are evaluated by the Source Selection Evaluation Board and reviewed by advisory bodies, the SSA assesses tradeoffs between technical merit, risk, past performance, and price. The SSA then signs the Source Selection Decision Document identifying the selected contractor.

Regulatory Framework

The SSA’s role is governed primarily by the following acquisition regulations and procedures:

Federal Acquisition Regulation (FAR) Part 15

Agency-specific source selection procedures

Defense Federal Acquisition Regulation Supplement (DFARS) for defense-related procurements

Why It Matters for Contractors

Business Implications: Contractors must align proposals directly with evaluation factors, since the SSA bases decisions strictly on solicitation criteria.

Compliance Impact: Incomplete, unclear, or noncompliant proposals may be downgraded or excluded during evaluation and SSA review.

Strategic Importance: Clearly demonstrating technical capability, performance history, and value improves competitiveness during source selection.

Risk Considerations: SSA decisions are formally documented and subject to protest review. Weak proposal documentation increases the risk of losing the award.

Common Misconceptions

The SSA automatically selects the lowest-priced proposal.

The SSA may select a higher-priced proposal if it offers better overall value based on evaluation criteria.

The SSA evaluates proposals independently without input.

Evaluation boards and advisory councils provide analysis and recommendations to support the SSA’s decision.

The SSA can change evaluation criteria after proposals are submitted.

The SSA must follow the evaluation criteria defined in the solicitation.

Frequently Asked Questions

Who can serve as the Source Selection Authority?

Typically, a senior agency official with delegated authority to make binding procurement decisions serves as the SSA.

Does the SSA follow advisory recommendations?

The SSA considers recommendations from evaluation boards and advisory councils but retains independent judgment.

Can the SSA’s decision be protested?

Yes. Contractors may file a protest if they believe the decision violated procurement laws or regulations.

What document records the SSA decision?

The Source Selection Decision Document (SSDD) formally records the SSA’s decision and rationale.