- The Electronic System for Travel Authorization () allows citizens of several countries to visit the United States without a visa.
- Foreign nationals can stay in the U.S. for up to 90 days for business, or tourism purposes, or transit through an international airport.
- Travelers eligible for visa-free access to the U.S. are required to submit the form. The online application is fast and efficient, with no need to attend a U.S. embassy or undergo an interview.
