Jump to your state with the navigation bar below. Looking for local rules and forms?"Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. It highlights some of the main points of emphasis judges look for. Complete the Naturalization Eligibility Worksheet. • Get an "Application for Naturalization" (Form N-400). Download a proof of residency letter template for family members, notarized or non-notarized, tailored for legal use. Download a proof of residency letter template for family members, notarized or non-notarized, tailored for legal use. Executive Office for Immigration Review. Instances, forms must be signed in the presence of the Immigration Judge.