CFR › Title 48 › Part 2815Part 2815 — Contracting by NegotiationSubpart 2815.2 — Solicitation and Receipt of Proposals and Information§ 2815.204— Contract format.Subpart 2815.3 — Source Selection§ 2815.303— Responsibilities.Subpart 2815.4 — Contract Pricing§ 2815.404-2— Data to support proposal analysis.Subpart 2815.6 — Unsolicited Proposals§ 2815.604— Agency points of contact.§ 2815.605— Content of unsolicited proposals.§ 2815.606— Agency procedures.