aCookieMonster
Registered Users (C)
I think it should be a Finger print Notice .
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Current Status: Request for Additional Evidence Sent
On August 21, 2009, we mailed a notice requesting additional evidence or information in this case N400 APPLICATION FOR NATURALIZATION. Please follow the instructions on the notice to submit the requested information. This case will be in suspense until we receive the evidence or the opportunity to submit it expires. Once we receive the requested evidence or information and make a decision on the case, you will be notified by mail. If you move while this case is pending, call 1-800-375-5283 to update your address
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Yes, they confirmed to me on the phone that it's a bug on their system. It's your fingerprinting.