withdrawal

Here's my current situation: I'm holding a BVB on my 485 application now and I lodged a PR application weeks ago and got a new BVB granted for the PR application. The new BVB will be active once the current visa ends (I believe in my case the current visa would be the 485 BVB). My questions are...

(sublass500) anybody pls help, im in a deep trouble my s56 explanation is rejected and served with 4020 s57 Natural Justice (concealment of fact and to mislead homeoffice), just because agent hided USA visa refusals. what will happen? when will i get reply, classes will start in 3weeks, and its...