This regulatory standard confirms the quality assurance arrangements that are required for statistics that are compiled using administrative data to comply with the Code of Practice for Official Statistics 1 . The Administrative Data Quality Assurance Toolkit (QA Toolkit) is the mechanism that the Authority will use to determine compliance. The Toolkit is built around the Quality Assurance Matrix (QA Matrix) which presents the levels of assurance for four areas of practice related to the quality assurance of official statistics and of the administrative data used to produce them.