The National Community Services Data Dictionary (NCSDD) (including national minimum data sets (NMDS)) purpose is to provide national standards on the community services reporting framework for both statistical and clinical analysis which provides meaningful input to community discussion and public policy debate on community services issues in Australia, as part of the METeOR metadata online registry. The Dictionary is available online at http://meteor.aihw.gov.au/content/index.phtml/itemId/274816. This version confirms to international standard ISO/IEC 11179 Information Technology Metadata Registries (MDR), 2003.