CFR › Title 48 › Part 1415Part 1415 — Contracting by NegotiationSubpart 1415.2 — Solicitation and Receipt of Proposals and Information§ 1415.201— Exchanges with industry before receipt of proposals.§ 1415.207-70— Department of the Interior proposal and information handling procedures.§ 1415.207-71— Confidentiality of proposal evaluation.Subpart 1415.3 — Source Selection§ 1415.303— Responsibilities.§ 1415.305— Proposal evaluation.Subpart 1415.4 — Contract Pricing§ 1415.404-2— Information to support proposal analysis.§ 1415.404-4— Profit.§ 1415.406-70— Department of the Interior price negotiation memorandum (PNM).Subpart 1415.6 — Unsolicited Proposals§ 1415.606— Agency procedures.