Form DS-156, completed and signed. Blank forms are available free of
charge at all U.S. consular offices, online at http://evisaforms.state.gov,
or by autofax at +1 (202)-647-3000.
Valid passport for travel to the United States with a validity date at
least six months beyond the applicant's intended period of stay in the
United States. If more than one person is included in the passport, each
person desiring a visa must make an application.
Two photographs, two inches square (37x37 mm) for each applicant, showing
full face, without head covering, against a light background.
Support materials indicating the purpose of the visit, that the applicant
plans to remain in the United States only for a specific, limited period
of time, and that they have a residence outside the United States as well
as family, business interests or investments that will insure their return
to their country of origin at the conclusion of the visit.
See the following links for visa application, travel assistance and updated information on traveling to the U.S.: