Home › CFR › Title 48 › Part 61548 CFR Part 615 — Contracting by NegotiationSubpart 615.2 — Solicitation and Receipt of Proposals and Information§ 615.204— Contract format.§ 615.205— Issuing solicitations.§ 615.205-70— Use of English language.§ 615.209-70— Examination of records.Subpart 615.3 — Source Selection§ 615.303— Responsibilities.Subpart 615.4 — Contract Pricing§ 615.404— Proposal analysis.§ 615.404-4— Profit.Subpart 615.6 — Unsolicited Proposals§ 615.604— Agency points of contact.