请问863211 about EAD?

来源: 于 2010-03-17 13:42:40 [旧帖] [给我悄悄话] 本文已被阅读：次

I was given 1-year EAD. If I send it to USCIS and request to change it into 2 year EAD, must I attach some document? Saying that based on the document, I should get 2-year EAD.
Thanks in advance!