Obtaining a Visa
If it is necessary for you to obtain a visa to attend this conference, you can find relevant information about the application process on the following website: http://www.unitedstatesvisas.gov/whatis/index.html

Please note that the US State Department has instituted a change that foreign passports must be able to be read electronically. Conference attendees with passports older than three years should plan to get new passports.

Fingerprinting required to visit US
Visitors eligible to travel to the United States without a visa will encounter new procedures at U.S. ports of entry starting September 30, 2004.