Issue: Actions of Federal government agencies such as Centrelink, Department of Defence, Immigration and Veterans Affairs.

The Commonwealth Ombudsman considers and investigates complaints from people who believe they have been treated unfairly or unreasonably by an Australian Government department or agency, including the Australian Taxation Office, Australia Post, Centrelink, Child Support Agency, and Department of Immigration and Citizenship. The Commonwealth Ombudsman is also the ACT Ombudsman.