Posted: Wed Jun 11, 2008 7:55 pm-
Chris posted a link to some complicated instructions he wrote on how to do it, have a search on this forum, it's here somewhere. I got the impression you basically apply from outside the US and hope the info doesn't get from the embassy to USCIS so it comes up on the computer screen when you re-enter in TN-1 with your I-94, but I may be oversimplifying a bit!
You can enter on TN-1 status while you have a petition pending, it might involve an interesting conversation with the USCIS, but the reality is that EB-3 petitions take nearly four years for approval, so realistically, people may want to enter temporarily to work while the petition is pending.
I think the problem is if you're already in the US on TN-1 and then someone sponsors you for EB-3, that's where the "apply from outside the US" bit comes in, but try and find Chris' instructions.
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Steve.