Australian Convention Travel Document
An Australian Convention Travel Document (CTD) is a biometric refugee travel document issued for international travel purpose by the Australian Department of Foreign Affairs and Trade to individuals recognised as refugees residing in Australia under the 1951 Convention Relating to the Status of Refugees. The CTD enables the holder to leave Australia, to travel outside Australia (with limitations) and to re-enter Australia.
Source: Wikipedia — Australian Convention Travel Document (CC BY-SA 4.0)