UID Number

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  3. UID Number

A UID Number (U=Unique; ID= Identification), as it pertains to US immigration, is the 8-digit number on the CGI website when a K1 or immigrant visa applicants schedules an embassy interview. It can be found on the confirmation page and appointment history page. You will need to provide this number when emailing an embassy with inquires or when paying for the interview fee.