have spent a period totalling two years in the last five years in Australia as either an Australian permanent resident or citizen (the \'residence requirement\').
have been living in Australia on a valid Australian visa for four years immediately before applying which must include the last 12 months as a permanent resident,
and
not have been absent from Australia for more than one year in total, in the 4 year period, including no more than 90 days in the year immediately before applying.