Visa Wizard
To determine whether you need a visa, go to: https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/wizard.html
Please allow sufficient time for visa processing. Information on wait times for interviews (by consular location) are available at: https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/wait-times.html
Visa Waiver (ESTA)
Depending on your nationality, purpose for travel, and other requirements you may be eligible to travel to the U.S. without a visa. In order to travel without a visa on the Visa Waiver Program, you must have authorization through the Electronic System for Travel Authorization (ESTA). Visit the Customs and Border Protection webpage for more information on the ESTA program: https://esta.cbp.dhs.gov/esta
Letter of Invitation
Attendees registered to attend the conference may request an invitation letter by sending an email to: linac24@anl.gov