International Info
Visa / Invitation Letter
Any person traveling to the United States who requires a passport or invitation letter should check with the appropriate embassy to determine exactly what is necessary to permit travel to the United States. We will be happy to provide you with an invitation letter upon request.
General information about traveling to the United States and obtaining a visa is available. Learn more about traveling to the United States.
Additional Information concerning visa appointments and processing wait times is also available. Learn more about visa appointments and wait times.
Be Aware! Acquiring a visa for entry into the United States can take several months. You should apply for your visa as early as possible.
Health and Insurance
The registration fees do not include insurance. It is recommended that all registrants consult their travel agent and take out their own travel and medical insurance prior to coming to the event. The organizers cannot accept responsibility for uninsured participants.
Currency and Taxes
All transactions are based on US currency (dollars and cents). There are several branches of US banks within walking distance of the CU Boulder campus. It is recommended that foreign currency be exchanged at the Denver International Airport upon arrival.
Information about current exchange rates is available. Explore current exchange rates here.
The state of Colorado assesses taxes on most services and goods, and these taxes are typically included in the price of the goods purchased. No taxes will be added to your conference fees.