about N600

Someone can help me to answer following qestions? Thanks ahead.

1). where I file N600 for my son? (I live in Maryland).
2). what documents I need to send with N600 application?

所有跟帖： 

• 回复：about N600 -sdfsdfsdff- ♀ (162 bytes) () 05/31/2007 postreply 09:52:25

• 回复：回复：about N600 -3DMan- ♂ (41 bytes) () 05/31/2007 postreply 14:49:17