The process starts with filing Form I131, Application for Travel Document, with USCIS. Use Form I131 Application for Travel Document.For permanent residents, the re-entry permit is valid for two years from the date of issue. It is the form to fill out, in order to obtain an advance parole. This form may only be used to apply to U.S. Citizenship and. Canadians who are permanent residents of the United States must present a valid U.S. permanent resident card upon entry. Fill out this visa application form (click here to download it). Valid passport and copy of the main page. Lawful Permanent Residents (LPR) of the United States must present a Permanent Resident Card ("Green Card", Form I551) or a Reentry Permit. Permanent residents may file a request for a Reentry Permit.