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Customers Must Mail Form I-290B for Form N-600 or Form N-600K to the Chicago Lockbox
Starting January 1, 2016, customers who wish to file Form I-290B, Notice of Motion or Appeal, in response to a decision on their Form N-600 or N-600K must mail their Form I-290B to the Chicago Lockbox. USCIS will no longer accept these forms at local field offices.
Customers should mail their Form I-290B for Form N-600 or N-600K to:
|U.S. Postal Service||USPS Express Mail/Courier|
P.O. Box 805887
Chicago, IL 60680-4120
131 S. Dearborn, 3rd Floor
Chicago, IL 60603-5517
USCIS will provide a 30 day grace period from January 1-30, 2016, for customers who file their Form I 290B with the local office. Local field offices who receive Form I-290Bs during this time will forward the forms to the Chicago Lockbox.
After January 30, 2016, local field offices will return all Form I-290Bs for Forms N-600 or N-600K they receive and advise customers to file at the Chicago Lockbox.