if the rego ran out on the 10th, then if your laws are anything like western aust. then the following will apply
rego due - 10/11/03
still rego'd till the 24/11/02 (2 weeks)
after that date you have 2 more weeks to pay but you will have no third party injury insurance - 8/12/03
so if this is the case than the car is still registered but i would pay it by the 24th for obvious reasons.