help : my I-140 case,USCIS request additional evidence or info

got e-mail says:
"we mailed a notice requesting additional evidence or information in this case. "
my RIR LCA was approved in Jan, filed I-140 in Feb 2006.

Anyone know what additional evidence or information will be need?
I only heart that NIW or EB1 cases were requested the additional evidence or information.
Anyone know what additional evidence or information will be requested ?
please give some info on it.thank you in advance.

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• 回複：help : my I-140 case,USCIS request additional evidence o -貼圖幫主- ♀ (65 bytes) () 05/10/2006 postreply 19:40:29