On 1 July 2015, the IAA became part of the Administrative Appeals Tribunal (the AAT).

The President of the AAT and the Division Head of the Migration and Refugee Division of the AAT are responsible for the overall operation and administration of the IAA.

The Senior Reviewer of the IAA is responsible for managing the IAA, subject to the directions of, and in accordance with policies determined by, the President and Division Head.

The Senior Reviewer and the Reviewers are persons engaged under the Public Service Act 1999.