Proof of Citizenship, USCIS Status, or Other Compliance with Rule 2(a)(5)

If you are a United States citizen or a United States national, then you should provide the Board with an original birth certificate issued by a U.S. city, county, or state, or an original Consular Report of Birth.
If you are a naturalized United States citizen, then you should provide the Board with a legible copy of both sides of your Certificate of Naturalization or Certificate of Citizenship.
If you are authorized to work lawfully in the United States, then you should provide the Board with a legible copy of both sides of the USCIS document evidencing your status. A photocopy is acceptable.
If you do not reside in the United States at the time of your application, then you should provide the Board with a legible copy of a valid identification card, containing the address where you reside, issued by a governmental body in the jurisdiction in which you reside. In addition, you should execute the Affidavit of Residency Outside the United States.