AATA meaning in Regional ?

The Administrative Appeals Tribunal (AAT) is an Australian tribunal that conducts independent merits review of administrative decisions made under Commonwealth laws of the Australian Government. The AAT review decisions made by Australian Government ministers, departments and agencies, and in limited circumstances, decisions made by state government and non-government bodies. They also review decisions made under Norfolk Island laws. It is not a court and not part of the Australian court hierarchy; however, its decisions are subject to review by the Federal Court of Australia and the Federal Circuit Court of Australia. The AAT was established by the Administrative Appeals Tribunal Act 1975 and started operation in 1976.

On 1 July 2015, the Migration Review Tribunal, Refugee Review Tribunal and Social Security Appeals Tribunal became divisions of the Administrative Appeals Tribunal.