You are in the Data matching for the annual canvass section Home … Delivering the annual canvass - Wales … Data matching for the annual canvass … Delivering the annual canvass - Wales Print this page | Print full guidance Using the results of national and local data matching You have the option to use local data matching before the national data match step, after you have received the results from the national data match step, or both. Planning for data matching includes guidance on how to identify and use local data. Last updated: 13 October 2025 Book traversal links for Delivering the annual canvass - Wales When do I need to send my data? What will be included in the national data match results? Modal Title