H1 B transfer from A to B to A -Urgent

lovely_bug

Registered Users (C)
Hi,
I got an H1-B approval from company A in Dec 2004, I then changed to company B in Feb 2006, and now have applied for a transfer back to A ( since they cancelled the approval after I switched to B). My question is after the transfer takes place to A, and B has not yet cancelled my approval can I keep working for B ?
I would really appreciate response in this regard.

Thanks very much
 
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