Subpart 5115.3 - Source Selection 5115.300 Scope of subpart.5115.300-90 Waiver approvals.5115.303 Responsibilities.5115.304 Evaluation factors and significant subfactors.5115.305 Proposal evaluation.5115.306 Exchanges with offerors after receipt of proposals.5115.308 Source selection decision.5115.371 Only one offer.5115.371-5 Waiver.Parent topic: Part 5115 - Contracting by Negotiation