Laba iyo toban Senator oo ka socda gobol kasta waxaa loo doortaa muddo lix sano ah, iyadoo la adeegsanayo matalaad isku mid ah iyo cod keliya oo la wareejin karo (oo loo yaqaan Australia "codbixinta qoondada: fiiri nidaamka doorashada Australia), iyadoo kala badh la doorto saddexdii sanaba mar. Marka lagu daro Senator-yada gobolka, laba Senator waxaa doorta codbixiyayaasha Waqooyiga Territory (oo ujeedadaas ay ku jiraan Territories Indian Ocean, Christmas Island iyo Cocos (Keeling) Islands), halka laba Senator oo kale ay doortaan codbixiyayaasha Territory Capital Territory (oo ujeedadaas ay ku jiraan Territory Bay Territory). Senator-yada ka socda dhulalka sidoo kale waxaa lagu doortaa codbixinta doorashada, laakiin muddadooda xafiiska lama go'aamin; waxay bilaabmaysaa maalinta doorashada guud ee Golaha Wakiillada waxayna ku egtahay maalinta ka hor doorashada. Su'aal: Muddo intee le'eg ayuu senator u adeegi karaa?
muddo lix sano ah