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Sources sought and RFIs: shaping a requirement before it’s written.

By the time an RFP is public, most of the bid is already decided. The quiet phase before it, where the government talks to industry, is where the requirement gets shaped. The rules don’t just allow you in; they invite you.

The shaping window

FAR 15.201 — “Exchanges with industry before receipt of proposals” — encourages early exchange to resolve questions about the acquisition strategy, the feasibility of the requirement, and the suitability of the proposal instructions and evaluation criteria.In plain terms: the government is asking how it should write Sections L and M. That window closes when the RFP drops.

Market researchOPEN
The government studies the market and who can do the work (FAR Part 10). Set-aside and acquisition-strategy decisions start forming here.
Sources sought / RFIOPEN
Public notices asking who's capable and how the work should be structured. RFI responses are not offers and can't form a contract — this is information-gathering, and your chance to inform it.
Draft RFP / industry dayOPEN
The government shares a draft and asks for comment on the instructions and evaluation criteria, sometimes in one-on-ones. The requirement is still movable.
Final RFP released
The requirement, Section L, and Section M are set. Now you respond to what's been decided — the shaping window has closed.
Proposals due → award
You compete on a field that was largely framed in the phases above.

What each notice is

A sources sought notice gauges who can do the work — and feeds set-aside decisions, which matters enormously for small businesses. An RFIgathers price, delivery, and capability information for planning; responses aren’t offers. A draft RFPasks you to comment on the instructions and criteria before they’re final. Industry days and one-on-ones do the same in the room. All of it posts publicly, usually on SAM.gov.

Why responding wins bids

Three reasons. You get on the radar — the program office learns you exist and what you do. You can shape the requirementtoward your strengths — suggest the scope, the structure, the evaluation emphasis that plays to you, and if it’s adopted, the RFP tilts your way. And you learn the real needbehind the words, months before competitors who first see it on the deadline. This is capture, and it’s the highest-leverage work in the whole cycle.

The rules to respect

Stay clean. RFI responses can’t bind the government and shouldn’t read like a proposal. Anything material the government tells one offeror it must make available to all, to avoid an unfair advantage — so don’t expect secret influence. And if you help scope a requirement, watch for organizational conflict of interest (OCI) that could later bar you from bidding. Shape the field; don’t rig it.

Now go do

Search SAM.gov for a sources-sought or RFI in your space with an open response date. Write a one-page response: your relevant capability, a recommendation on how the work should be structured, and one or two questions whose answers would favor your approach. That’s a shaped requirement starting.

Sources & further reading

This is what capture is.

You own the relationships; we build what moves them — the RFI response, the white paper, the brief that shapes the spec. See why capture wins.

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