Search all USCIS forms. File your form online for a more convenient and secure experience.What Is the Purpose of This Form? This form is for applying to U.S. Citizenship and Immigration. Advance Travel Authorization. Select "Advance Travel Authorization", then select. Welcome to the Electronic System for Travel Authorization. File both forms at the location specified for the other application or petition. For example, if you are filing Form I-765 with Form I-539 or Form I-485. Provide all other names you have ever used, including aliases, maiden name, and nicknames.