CFR › Title 48 › Part 509Part 509 — Contractor QualificationsSubpart 509.1 — Responsible Prospective Contractors§ 509.105-1— Obtaining information.§ 509.105-2— Determinations and documentation.§ 509.106-2— Requests for preaward surveys.Subpart 509.3 — First Article Testing and Approval§ 509.306— Solicitation requirements.§ 509.308-1— Testing performed by the contractor.§ 509.308-2— Testing performed by the Government.Subpart 509.4 — Debarment, Suspension, and Ineligibility§ 509.401— Applicability.§ 509.403— Definitions.§ 509.405-1— Continuation of current contracts.§ 509.405-2— Restrictions on subcontracting.§ 509.406-1— General.§ 509.406-3— Procedures.§ 509.407-1— General.§ 509.407-3— Procedures.