Type or print legibly in black ink. What Is the Purpose of This Form?This form is for applying to U.S. Citizenship and Immigration Services (USCIS) for the following travel documents: 1. Use Form I131 Application for Travel Document. For permanent residents, the re-entry permit is valid for two years from the date of issue. File the Petition for an Alien Relative (form 1130). U.S. Citizenship and Immigration Services (USCIS) recommends that you file Form I-131 at least 60 days before you intend to travel. I571 (Refugee Travel Document). You will also need your green card, passport(s), Social Security card. What travel document do you plan to use to travel to Canada?