Permanent residents use Form I-131A to obtain travel authorization after losing a green card or reentry permit while traveling outside the United States. The IRC can help you to petition to bring your family members to the US, apply for citizenship, green cards, work authorization, travel documents, and more.Our low-cost immigration legal services help eligible individuals navigate the complexities of obtaining lawful status in the United States. Permanent Resident Card or "Green Card" (I-551). IMPORTANT: Please indicate the applicant's alien status below, and submit documents evidencing such status. The alien status documents listed for each. Click on the link related to your activity in Mexico to view your visa requirements. Use Form I131 Application for Travel Document. For permanent residents, the re-entry permit is valid for two years from the date of issue. A: To reenter the U.S. an LPR normally needs to present his or her green card (Permanent Resident Card, Form I-551).