EAD recipt letter

I renewed my EAD a few weeks ago. Yester I received a receipt letter, but in case type, it says "application for employment authorization". Should I concern about it? I am worried CIS may think I apply a new card, not renewal.

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• I think you are overworried, BTW, congrats, what is your RD -tuzhirong- ♀ (35 bytes) () 08/25/2008 postreply 06:48:31

• 回复：I think you are overworried, BTW, congrats, what is your RD -telly.bird- ♀ (48 bytes) () 08/25/2008 postreply 07:17:18

• wow....................that is soooo fast -tuzhirong- ♀ (0 bytes) () 08/25/2008 postreply 08:05:09