CFR›Title 49›Subtitle A›49 CFR Part 23 Citation49 CFR Part 23ContainsSubparts Subpart A–Subpart ECorpusDaily eCFRDisplayed edition2026-10-08Last updated2026-10-08 PART 23—PARTICIPATION OF DISADVANTAGED BUSINESS ENTERPRISE IN AIRPORT CONCESSIONS Subparts Subpart A Subpart A—General Subpart B Subpart B—ACDBE Programs Subpart C Subpart C—Certification and Eligibility of ACDBEs Subpart D Subpart D—Goals, Good Faith Efforts, and Counting Subpart E Subpart E—Other Provisions Authority49 U.S.C. 47107 and 47113; 42 U.S.C. 2000d; 49 U.S.C. 322; E.O. 12138, 44 FR 29637, 3 CFR, 1979 Comp., p. 393.Source70 FR 14508, Mar. 22, 2005, unless otherwise noted.