The visa lets the de facto partner or spouse of an Australian citizen, Australian permanent resident or eligible New Zealand citizen, live in Australia permanently. It is usually granted to people who hold a temporary Partner visa (subclass 309).
Eligibility
You must:
in most cases, hold a temporary Partner (Provisional) visa (subclass 309)
in most cases, continue to be in a genuine and ongoing relationship with your partner
Salient Features
With this visa you can:
live, work and study in Australia indefinitely
sponsor eligible family members to come to Australia