Australian permanent residency visa 189 is also known as Australian skilled independent visa (subclass 189). This is a permanent visa. This visa allows holder to live and work in Australia indefinitely. In order to apply for skilled independent visa, you must first lodge an EOI- Expression of Interest through SkillSelect and be invited by the DIAC (department of immigration) to apply.
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ia-skilled-independent-sub-class-189-immigration-visa.aspx