My opinion is NIW 推荐信ke代替 EB-1a 推荐信, but maybe not vice versa if your EB1-a letters do not stress on the national interest.
You may use same set of recomm letters but you can not use the same petition letter obviously. You need to prepare a different petition letter specifically used for EB1a application.
Just for reference.
回复:请问有没有申请NIW和Eb1a用一套完全相同的推荐信,而两种都批了?
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• 回复:回复:请问有没有申请NIW和Eb1a用一套完全相同的推荐信,而两种都批了? -WorthIt- ♂ (33 bytes) () 06/13/2008 postreply 14:06:45