On March 28, 2016, the Lockbox began sending certain cases to the Potomac Service Center. This includes all newly filed Form I-765, Application for Employment Authorization, applications filed by F-1 and M-1 students seeking Optional Practical Training (OPT).
How You Will Be Affected
When the Lockbox sends your case to the Potomac Service Center, we will send you a notice with your receipt number. Cases sent to the Potomac Service Center will be assigned a receipt number that begins with YSC, which is the prefix used to identify Potomac Service Center filings.
Last Reviewed/Updated: 03/29/2016
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