State Department. During the visa interview process, this photo is essential for identifying the applicant. The confirmation page, which has a barcode that will be needed for the visa intrizk slotserview, must be printed out by students after completing the DS-160 form. Before submitting their forms, applicants should double-check their work, as any mistakes could cause delays or complicate the process of getting their F1 visas. Securing an F1 visa also requires paying the application fee. Before setting up a visa interview, this non-refundable charge must be paid.