They actually emailed me back with a receipt within 24 hours, idk about your case though. You can send another follow-up email and wait for a couple more days. The worst-case scenario will be to send another payment(there could be better options which I don't know). Anyway, go through this forum again, there could be some important suggestions since this is not a new case.
Send a fresh (new) email to KCC. Don’t refer to the old correspondence. Basically tell them you haven’t received your payment receipt and request they send you a copy by email. Provide information as to when the payment was received/sent in and cashed.
These questions are answered on the AOS Process Spreadsheet.
Is this common?
Here is news that is affecting AOS:
Do update the AOS Timeline spreadsheet if you haven’t done so already, the information is a lot more useful there.
You should file an amendment if your 2019 tax filing was wrongly categorized/submitted.
The I-94 is one of the items that can be used to demonstrate being in status. However, someone who entered the US as a student, got issued with an I-94 that shows D/S and stopped going to school at some point, or undertook unauthorized employment is no longer maintaining their status regardless of the D/S listed on their I-94.
Initiate an online chat with Emma - start by asking to know the bio appointment date for your wife (you'll need to provide the details). Once she tells you the date, let her know you wish to be connected with a live agent (or something along that line) so that the chat gets transferred to a person. Then inform them about the missing bio notice, and if the bio date is just around the corner (depending on the date you were provided with), request for a replacement bio notice (they may be open to sending it by fax or email).
Thank you! I got through Emma to the Live Agent and he submitted a request to sent the notification within 24 hours by email.
