What is a controlled substance?About the Controlled Substance Program What is a Controlled Substance User Authorization (CSUA)?Personnel and TrainingStorage of Controlled Substances and AccessibilityBiennial Inventory and Annual RenewalInspections, Investigations, and AuditsDiversion, Excessive Loss, Spills, or TheftImport, Export, and Field Research WorkPrecursors List 1 and List 2 Chemicals Individual Registrants
