It's not a visa classification, it's the rank level of the agent that is stamping your passport, as explained to me by an immigration officer in YOW. There is no visa required, nor visa classification given for Canadian Citizens entering the US.
Last edited by Stussi613; Aug 19, 2009 at 10:09 am
Reason: change customs officer to immigration officer so as to avoid the wrath of shareholder...LOL