Search all USCIS forms. File your form online for a more convenient and secure experience.You should contact U.S. Immigration and Customs. Enforcement (ICE) about your request. 1. You must complete the I-20 and Travel Authorization Request form online. Advance Travel Authorization. Select "Advance Travel Authorization", then select. This form may only be used to apply to U.S. Citizenship and. Use our Form Filler to fill out your form and print it. For the best experience, use a desktop or laptop computer.