CFR›Title 48›Chapter 25›Part 2509›Subpart 2509.4›48 CFR 2509.406 Citation48 CFR 2509.406CorpusDaily eCFRDisplayed edition2026-09-01Last updated2026-09-01 2509.406 Debarment. Previous 2509.405-2 2509.405-2 Restrictions on subcontracting. Next 2509.406-1 2509.406-1 General.