Initiating H1 transfer while I-140 is in process

amirshadaab

New Member
Hi,

I am currently working at company A. My labor has been approved and my I-140 was applied in regular processing. I got another offer from company B. I've asked company A to upgrade my I-140 to premium processing and they agreed. I asked company A if they will withdraw I-140 if I switch companies and they said they won't. My questions are as follows:

1. Can I ask company B to initiate H1 transfer while my I-140 is still in process? What are the disadvantages if any in doing so?

2. Do I have to start working for company B only after my I-140 approval comes in?

Any help is appreciated.
 
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