http://www.immigration-law.com/Canada.html
05/04/2007: Automatic Visa Revalidation and Evidence of Prior Rejection of
Visa Application
Automaic visa revalidation is procedure of returning to the U.S. from the
contiguous countries of Mexico and Canada using a valid I-94 but without a
valid visa in the passport. Other than restriction to use of this procedure
for the six designated terrorism sponsor countries, this procedure has been
available to other national for a visit to Mexico or Canada and
