I was working for employer A and has my I-140 approved, few months ago i moved to employer B with H1B Valid till 2022. Employer B also has started GC process. In the meantime Employer A revoke H1B and I-140 (as per their process, whoever moved out from them they revoke these).
my question is, if I want to go back to employer A does employer A has to start whole GC process again or can they withdraw I-140 revoke request?
Please guide.