Treaty Visas Immigration Additional navigation Close F-1 Students J-1 Students J-1 Exchange Visitors H-1B Employees O-1 Individuals Treaty Visas E-3 Australian Citizens TN Employees B-1 & B-2 Visitors Lawful Permanent Residents Humanitarian Statuses E-3 Employees The E-3 classification applies only to nationals of Australia.The E-3 classification applies only to nationals of Australia. TN Employees TN status is available only to citizens of Mexico and Canada, not landed immigrants.TN status is available only to citizens of Mexico and Canada, not landed immigrants.