Foreign registrants who need a letter of invitation to the conference must first register
for the conference. They should then send the following items to Chris Meek,
meek@microsoft.com, the general conference chair: We alert UAI attendees to the need for obtaining the necessary travel visas to Canada.
Please check with your local Canadian consulate/embassy on the requirements, keeping
in mind that obtaining a VISA may sometimes take a prolonged period of time.