what should i do?

I have filed my EAD application for about a month, but i still have not get receipt notice from NSC. I know my check was cashed 20 days ago. Can i call service center? What i should tell them when i call the center? Your comments are very appreciated.

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• 我是一個半月後才收到的 -JimmyChoo- ♀ (0 bytes) () 07/28/2005 postreply 20:10:18