Two major changes that have taken place in January 2009 with respect to non-US citizens and International Tourists from Visa Waiver Program (VWP) Countries arriving to or departing from the United States are:
(1) International visitors from VWP countries like United Kingdom now require to obtain a “pre-clearance” prior to initiating travel to the United States; and
(2) Expansion of the US-Visit program, which requires all non-US Citizens to provide biometrics upon arrival in, or departure from, the United States at air or sea ports of entry.
For more details, see our attorney, Hanishi Ali’s article published here: http://www.lokvani.com/lokvani/article.php?article_id=5499