> Changing employers after 180 days have elapsed should not affect the underlying approved I-140. Employers can actually withdraw the I-140 if you switch jobs

> Changing employers after 180 days have elapsed should not affect the underlying approved I-140. Employers can actually withdraw the I-140 if you switch jobs BEFORE filing I-485 and letting 6 months elapse - and then you have to start all over again. http://www.murthy.com/2008/01/18/ac21-frequently-asked-questions-july-2012-update/ http://www.murthy.com/2008/01/18/ac21-frequently-asked-quest... The green card has become the new "leash" for H1Bs.