basicrequest

For apply 820 Partner Visa, if the applicant already holding duel citizenships (for instance, gaint UK citizenship by birth and gaint Canada citizenship by naturalisation). Will Australia immigration will accept the applicant who already had duel citizenships or will it have any problem in application processing? If the applicant like to apply Australian Citizen after gaint PR, will Australia request the applicant to give up one of Citizenship due Australia only allow duel (two) citizenship?