And they probably wont even charge you for the transfer.
If you are a P2 nsw though you will go back to being a P1 in the ACT - fortunately however for ~$75 you can do the 'P-off' course which will give you the ACT equivalent of a P2 licence which includes 8 demerit points (eg it doubles them) and you dont have to display Ps.
Also the change means that you will shift from a 0.00 alcohol limit to a 0.02 which is not a huge ammount but is some useful leeway.