But what document should I have to prove it?because my receipt says 180.180 days was extended to 540 days. So you can work.
On the uscis website they say that your 180 day notice and old ead should be enough. But if your employer for some reason doesn’t want to accept them, you can request a new notice and it will show the 540 extension. I’m not sure how to request a new notice though, should be somewhere on the website as wellBut what document should I have to prove it?because my receipt says 180.