Is certified mail lost?

來源: 於 2006-07-27 15:27:31 [舊帖] [給我悄悄話] 本文已被閱讀：次

I sent a certified mail to USCIS on July 14,2006. No tracking on USCIS website and the Check has not been charged by USCIS. Is the letter lost? Would you pls give me suggestion what can I do if USCIS has not received the letter?