回复：pjiang老师我还有一点没搞清.

来源: 于 2008-01-23 10:46:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

The sponsor can revoke approved PERM I-140 at any time, while it does not affect I-485 when having been pending over 180 days.

In case the unapproved I-140 is withdrawn after I-485 180 days, the I-485 losses its base.