Required Evidence - Eligibility Based on Marriage to a U.S. Citizen
Provide a copy of the following if you are applying for naturalization based on your marriage to a U.S. citizen:
1. Evidence that your spouse has been a U.S. citizen for at least 3 years at the time you file your Form N-400. For
example:
A. Your spouse’s U.S. birth certificate (if your spouse has held U.S. citizenship since birth);
B. Your spouse’s Certificate of Naturalization;
C. Your spouse’s Certificate of Citizenship;
D. Your spouse’s Form FS-240, Consular Report of Birth Abroad; or
E. The biographical page of your spouse’s U.S. passport;
2. Current marriage certificate and any divorce decree, annulment decree, or death certificate showing that your and
your spouse’s prior marriages were terminated (if applicable); and
3. Evidence that you and your spouse have lived in marital union for at least 3 years before the time you file your
Form N-400. Some examples include:
A. Joint bank or credit card statements;
B. Leases or mortgages;
C. Birth certificates or adoption decrees (as applicable) for any children born or adopted during the marriage by
either spouse;
D. Insurance policies; and
E. IRS tax transcripts for you and your spouse for the past 3 years.