回复：回复：回复：PIJIANG及各位,想让大家帮着确认180天换工作的说法, 谢谢了!

来源: 于 2008-09-13 13:31:40 [旧帖] [给我悄悄话] 本文已被阅读：次

I suggest you to do some homework. You can find some information from the following website:

1. http://thevisabulletin.com/2008/ac21-acwia-memo-from-uscis-neufeld/

2.http://blog.wenxuecity.com/blogview.php?date=200711&postID=37365

3. http://immigrationroad.com/green-card/ac21-portability-change-jobs.php