Please gather the following documents and scan them into 1 (one) PDF File. You need to bring the originals to your interview:

• Proof of U.S. Citizenship such as: U.S. Birth Certificate, U.S. Consular Report of Birth Abroad, U.S. Certificate of Naturalization, or U.S. Certificate of Citizenship
• Most recent U.S. passport (scan bio-page only)
• All current foreign passports (scan bio-pages only)
• Evidence of any name changes, if applicable (for instance marriage or divorce certificates, or court orders)
• Completed Loss of Nationality Questionnaire (DOC 50 KB)
• Postage Fee for return envelope (Registered mail with return receipt):
  • CHF 11.60 Swiss Franc Stamps for residents in Switzerland and Liechtenstein
  • CHF 18.30 Swiss Franc Stamps for residents in France and Germany

Please Note:
Swiss Stamps need to be purchased at the Swiss Post Office or online through the Swiss Post WebStamp portal.

Review this WebStamp guide (PFD – 130KB) for instructions.

The Consular Section cannot provide you with Stamps or accept payment for delivery.