What kind of mail sentby USCIS

來源: 於 2005-09-28 10:59:12 [舊帖] [給我悄悄話] 本文已被閱讀：次

I filed my I140 concurrently with I-485 to CSC. They have signed the package on 09/26/05. What kind mail (Email or regular mail) the USCIS should use to let me know the receipt number?

Thanks