We just did it.
Step 1:
Get the rego papers
Step 2:
Get a note from the owner stating their name & address where the car is registered at, sold to one zilch who lives at 102 skyline way, sydney for $xxx amount rego number 589 X97 QLD vin/chassis number. sold on date 19/02/2008 and get them to sign it.
Step 3
bring the car back to NSW
Step 4
Go get a blue slip
Step 5
Go to the RTA give them your
A) Blue slip
B) Change of registration form (you must fill this out at the rta)
C) The note that the old owner has given you
D) Just have the old rego papers on hand
Step 6
Give them lots of monies and you have a NSW registered car. (woo hoo!)