Welcome to the Controlled Drug Accountable Officer (CDAO) Resources & Reference Centre. Here you’ll find a comprehensive library of national guidance, best-practice documents and regulatory frameworks—from Department of Health and CQC standards to NICE and NCAS protocols—designed to support Accountable Officers in managing controlled drugs safely and compliantly. Use these CDAO resources to stay up to date with legislative requirements, streamline your audit preparations, and embed best-practice processes across your organisation.