If your visa was refused or cancelled and you currently hold a Bridging visa, then Section 48 bars a new visa application while you are in Australia.
If you have had a visa refusal or cancellation and you are currently in Australia as a bridging visa holder (or you do not hold any visa and you are currently unlawful), then Section 48 bars you from lodging a further visa application while you are in Australia.
Leaving Australia as a Bridging visa B holder does not allow you to avoid the application of Section 48 (i.e. you cannot leave and return to Australia on a Bridging visa B, and then lodge another visa application if Section 48 applies).
Section 48 would only apply if you are currently in Australia and you do not currently hold a ‘substantive visa’. Any Bridging visa would be a non-substantive visa, which means that Section 48 would apply to you if you have had a visa refusal or cancellation since you last entered Australia. Hence, Section 48 would not apply if you still currently hold a valid student visa, visitor visa, working holiday visa etc. These are all substantive visas. Non-substantive visas are only the following visa categories:
Section 48 also does not apply if your visa refusal relates to a bridging visa application, or if the visa was refused because of character requirements under Section 501 of the Migration Act.
The following are the only visas which are exempted from the application of Section 48 – hence you may still be able to lodge a valid visa application for the following visa categories:
One possible way to lodge another visa application while you a waiting for an AAT hearing or Court appeal is to apply while you are outside of Australia. If you are currently holding a Bridging visa A or B, then you may be to apply for a Bridging visa B which allows you to temporarily leave Australia. This may allow you to lodge another visa application with the Department, and then return to Australia on your Bridging visa B and remain in Australia while you wait for your AAT hearing or Court appeal.
In terms of whether the Department can approve your new offshore visa application while you are in Australia, this will depend on the requirements of the visa that you applied for.
For example, with General skilled migration visas (189, 190 and 489 visas) or employer sponsored permanent residency visas (186 and 187 visas), your offshore visa application can be decided when you are in Australia and hence, you won’t need to leave Australia for the Department to decide your new visa application. If you lodged an offshore partner visa (309/100 visa), then you do need to be outside of Australia at the time that the Department decides your visa application.
Please note that by lodging a new visa application while you are outside of Australia, you will not be able to get a bridging visa that is linked to this visa application. Your right to return and stay in Australia as a Bridging visa B holder is based on your need to be in Australia for your AAT hearing or Court appeal. Hence if your AAT hearing or Court appeal is not successful, and your Bridging visa is set to expire on a certain date after the AAT or Court’s decision, then you cannot apply for a new bridging visa on the basis of your undecided offshore visa application.