Forms for F-1 visa holders. This group of forms should be submitted to OISS for processing via the OISS Request Submission Portal.We have applied for the Australian humanitarian visa, and we have received the acknowledgment letter. Interview Waiver (Apply By Mail) Confirmation Letter. Two of the following showing the applicant's name and address: Utility or telephone bill; Letter from a government agency dated within the last six months. Bring all immigration documents to OISS check-in orientation and submit copies of your I-20 Form, I-94 Print out, Passport and Visa. If you would like to fill out the application online, please go to Online Services. b. The first step in applying for a U.S. nonimmigrant visa is to complete your application.