USCIS Notice: Form I-290B For Form N-600/N-600K Must Now Be Filed at Chicago Lockbox

USCIS alert that starting 1/1/16, customers who wish to file Form I-290B, Notice of Motion or Appeal, in response to a decision on their Form N-600 or Form N-600K, must filed their Form I-290B to the Chicago Lockbox. USCIS will no longer accept these forms at local field offices.