A ten day permit should work but you need to be previously insured, signed ownership, reciept, ect.
Now what year is your car, I got a April 92 Eclipse and only needed a provincial safty, if your vehical is newer than 15 years than you will have to take it to CT most likly and get a federal Safty aswell, you will pay taxes and duty on both $ides and it gets costly.
I beleive you only have a certain amount of days to get this straightened out or you will have to take it back due to the fact it is not registared in Canada.
Or you could do what I did and sit on it until it is 15 years old and pull it out on its birth day, I saved well over a $1000 doing it this way.