Proposal developmentPre-solicitation document
LFI
Letter for Inquiry
Definition
A Letter for Inquiry is a pre-solicitation communication seeking preliminary information from potential contractors before formal RFP release. LFIs help agencies assess market capabilities, refine requirements, and identify potential sources.
LFI responses provide opportunities to influence solicitation development and demonstrate capabilities. Understanding LFI purposes helps contractors prepare informative responses. LFI participation supports relationship building and early positioning for upcoming opportunities.
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