CFR › Title 48 › Part 415Part 415 — Contracting by NegotiationSubpart 415.2 — Solicitation and Receipt of Proposals and Information§ 415.204— Contract format.Subpart 415.3 — Source Selection§ 415.305— Proposal evaluation.Subpart 415.6 — Unsolicited Proposals§ 415.604— Agency points of contact.