I don't know. Here is the apporval notice for my AP.

来源: 于 2007-11-24 08:31:06 [旧帖] [给我悄悄话] 本文已被阅读：次

On xxxxx, 2007, we mailed you a notice that we have approved this I131 APPLICATION FOR USCIS TRAVEL DOCUMENT. Please follow any instructions on the notice. If you move before you receive the notice, call customer service.