When my EB1A 485 was touched, I was asked to give the employment letter. My case was just approved in Texas center.
Here is the link, which may be useful for you.
http://blog.wenxuecity.com/blogview.php?date=200801&postID=6775
Here is the link, which may be useful for you.
http://blog.wenxuecity.com/blogview.php?date=200801&postID=6775