Guide to NIV

STEP 6: Supporting documentation

The following is a list of required documents:

• Passport with minimum 6-month validity. Apllicant must have signed the passport.
  
• DS-156: Non-immigrant Visa Application.
  
• DS-157: Supplemental Non-immigrant Visa Application for Turkish male applicants between the ages of 16 and 45, and all male and female third-country nationals.
  
• One recent color, full-face photograph on a white background. Photo requirements are very strict.
  
• Receipt showing payment of the application fee of $131.

In addition to the above, the consular officer may ask to see supporting documents explaining the purpose of the trip and the applicant's situation in his or her place of residence. These documents must substantiate the purpose of the trip to the United States and the intention to return to the country of permanent residence after a temporary visit.

Applicants intending to travel for science - or technology-related purposes (such as conferences, training, research, equipment negotiation or purchase, etc.) should bring a copy of his/her CV or resume, complete list of publications, an invitation letter from the U.S. organization and any other documentation specifically related to his/her travel purpose. These documents should be provided in addition to those mentioned in the paragraph above.