Yes.
The answer is no, because the claim is still technically pending before the Refugee Appeal Division of the IRB. When it is concluded there, that's when the application could proceed.
It's when the 12-month legislative prohibition commences. It doesn't commence at the end of the RPD's decision on the claim. The 12-month bar commences at the appeal determination by the RAD. It's the later of the two divisions where the 12-month time starts to count.