It may be handled in the same manner as domestic travel. This exemption has been granted on a trial basis and will be reviewed periodically. However, the Chief, Office of International Affairs, must notify the U.S. Embassy in Ottawa of travel of U.S. citizens to Canada. 2.7 Passports and Visas. All official foreign travel requires a Government passport.
Most foreign travel requires a visa.
When travel is approved, Passport Services will issue the passport with instructions on its use and return. The Public Health Service, a local physician, or the State Department can advise travelers on immunization requirements. Some immunizations are required, others are optional. Travelers are responsible for obtaining immunizations.