You are responsible for ensuring you have the necessary visa—if required—to enter the United States.
• You must enter with a Business Visa (B1 or VWB).
• Tourist visas (B2 / VWT) are not permitted for conference attendance or reimbursement.
• Visa Waiver travelers: request VWB business classification at U.S. entry.
Steps to Follow
1. Confirm Correct Visa Type using Visa Wizard
2. Review and Apply for Business Visa Types at Business
Useful Links
Visa Application Letter
If you require a letter for your visa application, please indicate this during registration and then send an email to TTC2027@jlab.org with the following information:
· Full name (as on passport)
· Organization/Affiliation and Mailing Address
· Working Group number & title
· Title of your presentation/abstract/poster (if applicable)
· Email address
· Phone number
· Passport number
· Passport Issue Date
· Passport Expiration Date
· City and Country of Embassy
Invitation Letter
If you require an invitation letter, please indicate this during registration and then send an email to TTC2027@jlab.org with the following information:
· Full name
· Organization/Affiliation and Mailing Address
· Email Address
· Phone number
If Multiple Travelers from the Same Institution
• Consolidate invitation‑letter requests into one submission.
• Some visa offices require physical (not electronic) letters.