IMMIGRATION: TN-1 Program (Canadian citizens)
the TN-1 classification is available only to Canadian citizens who intend to work in the U.S. in certain professions. The NAFTA list of approved professions includes accountants, engineers, attorneys, pharmacists, scientists, and teachers.
IMMIGRATION: TN-1 Visa Renewals
Canadian TN visa holders may renew their status indefinitely if they continue to meet the relevant conditions.