The term “A.T.A. carnet” (Admission Temporaire – Temporary Admission) means the document produced as the Annex to the ATA Convention, Brussels, 6 December 1961 and, in this case in Australia, implemented in 1963. The Convention and Carnet are designed to facilitate the importation of goods which are granted temporary duty-free admission. Refer to this link for the full text of the ATA Convention, and a model copy of the ATA Carnet.