Examples of acceptable residency documents include: Current, unexpired PA driver's license or photo ID card. PA vehicle registration card.Read these instructions carefully to properly complete this form. If you need more space to complete an answer, use a separate sheet of paper. This form may only be used to apply to U.S. Citizenship and. The application process involves filling out Form I-131 with the Department of Homeland Security through the U.S. Citizenship and Immigration Services office. The proof of residency documents must have your name and official Pennsylvania street address on it. If an individual is granted a travel document, then they will need to present both their passport and the travel document upon their return from travel abroad. When initiating a permanent residency (green card) case, the PR Eform can be accessed through the employee's iPenn case page. If you are a permanent or conditional permanent resident who has been outside the US for one year or longer, apply for a re-entry permit before you travel.