Yeah it's a 1 in NSW only if your student number is 7 numbers long as opposed to 8.
It says on the UAC website when you're applying. When it asks for your student number, state and pin there is a link which if you click it explains in detail when you need to add certain numbers onto your...
everyone does paper 1 (AOS=Belonging)
paper 2 is modules, which advanced and standard both have to do
however, standard and advanced have different modules so they each get a different paper 2