Thanks for your response, Sir.One last query--- Let's say I receive my wife's H4 EAD approval by March 20,2016 and she starts working from next day after that. Now, if I switch jobs and transfer my H-1B visa to NEW Employer B on April 20,2016, will she have to abandon her H-4 EAD and wait for my new I-140 to be approved and apply for H-4 EAD based on the new I-140 of employer B OR she can continue working on her H-4 EAD that was received through Employer A as long as it is valid? What is the general validity of H-4 EAD?

