can I file Perm based EB1b and EB2 simultaneously?

來源: 於 2008-02-11 13:45:29 [舊帖] [給我悄悄話] 本文已被閱讀：次

Can I file PERM based EB1b and EB2 at the same time, without influencing each other? Many posts talk about NIW and EB2 not affecting each other, but there is not a clear answer regarding EB1b and EB2.
Thanks for any feedback.