Author
Jason ZHANG
This is a fascinating question, and even quite a few less-experienced agents are unclear about it. If you want to test how technically skilled your agent is, once you’ve read this article you can quietly put this question to them.
PR stands for Permanent Resident / Why is the validity period only 5 years?
The “P” in PR stands for Permanent, but as everyone knows, PR only has a 5-year “validity period” (a Subclass 155 visa may be granted for 1 year or less, which this article won’t discuss further), and PR must be renewed every 5 years. That seems odd: if it’s clearly “permanent”, why say it only lasts 5 years?
The answer is:
This so-called 5-year “validity period” is, in fact, only your “travel facility” — within those 5 years you can return to Australia at any time. Beyond 5 years, if you are offshore, you of course cannot return to Australia (you would need to apply for a Subclass 155 visa to come back).
The “permanent” validity, on the other hand, means that once you enter Australia, as long as you don’t leave, your PR remains valid indefinitely and you can stay in Australia permanently.
Taking the Subclass 190 visa as an example, the original wording of the migration law is as follows:

The Department of Home Affairs website also describes it as follows:
If you still find the meaning of PR hard to grasp, you can read my other article, “How do you renew PR after 5 years? Can you get your PR back after years away from Australia?“, which gives a clearer description of the definition of PR.
Bridging Visa B’s / What exactly is the “validity period”?
Having explained PR’s so-called “5-year validity period”, you should now immediately understand that the so-called 3-month or 1-year validity of Bridging Visa B, just like PR’s 5-year validity, is likewise only a “travel facility”.
Therefore, as long as you return to Australia before the travel facility expires, the Bridging Visa B itself remains valid, and you can keep holding this BVB in Australia while waiting for your visa outcome. This Bridging Visa B simply becomes a Bridging Visa B without travel facility; it does not lapse and turn you into an unlawful non-citizen, nor does it automatically revert to Bridging Visa A.The Department of Home Affairs website describes Bridging Visa B as follows:
Likewise, just as PR can apply for PR again after the 5-year validity period (a Subclass 155 visa is also a form of PR) to obtain travel facility, Bridging Visa B can also, once its 3-month or 1-year “validity period” expires, apply for Bridging Visa B again to regain travel facility.
Conclusion
So, do you now understand what Bridging Visa B really means? Don’t you find bridging visas rather interesting? You’re welcome to keep following my migration law column, where I’ll walk you through more useful migration law insights.
MARA-registered migration agent (MARN1805429)

JASON
Migration Law Column
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【Can a bridging visa take effect immediately after lodging?】
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