I-94 is not necessary for Green Card holder.
But if you want, you can give them copy of I-94.
link FYI
http://blog.wenxuecity.com/blogview.php?date=200709&postID=3149
But if you want, you can give them copy of I-94.
link FYI
http://blog.wenxuecity.com/blogview.php?date=200709&postID=3149