You should gather the following documents:
- U.S. Birth Certificate (copy sufficient) or U.S. Consular Report of Birth Abroad (original required).
- Bio-page of your most recent U.S. passport.
- Bio-pages of all current foreign passports.
- U.S. Certificate of Naturalization (If applicable)
- U.S. Certificates of Citizenship (If applicable)
- Completed Loss of Citizenship Questionnaire – download the form here (DOC 43 KB)
- Completed Informal Loss of Citizenship Acknowledgement, which must be signed/dated and sent as a scanned document. Download the document here (DOC 76 KB)