Rubuta ci gaba ga wannan sakin layi - Gwamnatin Howard ta kira wani Yarjejeniyar Tsarin Mulki don bincika batun a 1998. Wakilan sun hada da wadanda aka nada da zaɓaɓɓun wakilai da ke wakiltar 'yan jamhuriya, masu mulkin mallaka da' yan jam'iyyun tsaka tsaki. Taron ya ba da shawarar tsarin jamhuriya kuma an kira kuri'ar raba gardama don amincewa da masu zaɓe na Ostiraliya. Zaben raba gardama
wanda aka gudanar a ranar 6 ga Nuwamba 1999 bai sami goyon bayan mafi yawan masu jefa kuri'a ko mafi yawan jihohi ba. Kuri'ar kasa ta masu jefa kuri'a da ke goyon bayan Ostiraliya ta zama jamhuriya ta kasance kashi 45.13%, tare da kashi 54.87% da ke adawa.