CFR›Title 48›Chapter 34›Part 3404›Subpart 3404.4 ContainsSections 3404.470–3404.470-1CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart 3404.4—Safeguarding Classified Information Within Industry Sections 3404.470 3404.470 Contractor security vetting requirements. 3404.470-1 3404.470-1 Contract clause. Previous 3404.001 3404.001 Definitions. Next 3404.7 Subpart 3404.7—Contractor Records Retention