CFR›Title 36›Chapter I›Part 51›Subpart B ContainsSection 51.3CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart B—General Definitions Sections 51.3 § 51.3 How are terms defined in this part? Previous A Subpart A—Authority and Purpose Next C Subpart C—Solicitation, Selection and Award Procedures