Travel Visa Information

Conference attendees from outside the United States are urged to begin their visa application early.  The waiting time can be long and varies from country to country.

NEW! Mandatory Electronic System for Travel Authorization for Visa Waiver Program.

For the most accurate information on obtaining a visa visit

DAC Speakers/Presenters
If you are a speaker or presenter at DAC and would like an invitation letter, please email the following information:

Address (City, State/Country/Postal Code)
Email Address
Fax Number
Paper ID or Presentation Title