Apply for British citizenship if you're married to, or in a civil partnership with, a British citizen - form AN, who's eligible, fees and how to apply. You have been a legal permanent resident for 3 years or more and meet all eligibility requirements to file as a spouse of a U.S. citizen.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. If the spouse wishes to take British citizenship then they need to pass the 'Life in the UK' test and have 5 years continuous residence here. If USCIS approves your Form N400, Application for Naturalization, we will schedule you to take the Oath of Allegiance at a naturalization ceremony. The Consulate does not accept mailed-in applications. How tall is the London Eye? Who opened Britain's first Indian restaurant? Only 2 unmarried persons who are at least 18 years of age with valid legal identification may apply for a marriage license in California. The medal takes its name from the Latin title of St. Augustine's City of God.