“Case Accepted By The USCIS Lockbox”on your I-290B · Appeal or motion on a denial


Your mailed I-290B was accepted at intake and the fee was processed. A receipt notice should follow. Keep proof of mailing and delivery, since the filing date matters for appeals and motions. If the deadline was close, that proof can be important.
In general, on any form:
The USCIS Lockbox, the facility that receives mailed filings and payments, accepted your package. Your fee was processed and the case is being entered into the system. A receipt notice usually follows. This is the very first intake step.
Your mailed I-290B was accepted at intake and the fee was processed. A receipt notice should follow. Keep proof of mailing and delivery, since the filing date matters for appeals and motions. If the deadline was close, that proof can be important.
It is the facility that opens mailed filings, takes payments and sends cases into the system.
No. It only means your package passed the first intake check.
Usually within a few weeks after the Lockbox accepts the case.
AI-assisted explanation based on the official USCIS status, reviewed by CaseAlerta. Not legal advice. Times are typical ranges, never an exact date.