Originally Posted by
will5404
You will see a Canadian Immigration officer when transiting YYZ. YYZ doesn't do sterile transit so you will need to have appropriate doc to enter Canada.
Not correct.
TWOV has been offered on AC via YYZ and YVR since April.
Make sure you're checked through to your final destination and the connection at YYZ must be on the same calendar date.
Further info:
http://www.aircanada.com/en/news/110328.html?src=hp_wn
http://www.cic.gc.ca/english/departm...uthorities.asp