After filing I-90 at TSC, when should I receive a receipt for it?

I-485NSC

New Member
Hi,

I guess my I-90 has been lost by TSC. I would have to file it again. Please let me know WHAT (receipt?approval letter?acceptance letter?) and WHEN should I expect from TSC along the processing till the card is delivered? In case the first I-90 is not lost, will the second I-90 revoke/replace the first one? Anybody who has filed I-90 at TSC please kindly share the details of your experience.

Thanks a lot.
 
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