Background:
H1-B start date: Jul,2004
6 years complete: Jul, 2010
Current H1-B validity: Jul,2008-Jul,2011 (7th yr extn using approved labor + approved i-140): Employer A
Labor Approved: Oct, 2006 (Employer A)
I-140 Approved: Sep, 2007 (Employer A)
Scenario: Changing employers to...