Amendment needed?

[ap_reddy]

Experts,

I'm on H1B with visa validity till Dec/19(I-140 approved) with Employer-A.

My contract with my client-A was completed in 1st week of July at Location-A. I got a new offer with Client-B( Same Employer) at Location-B.

Can I start working with Client-B after LCA approval for location-B and file H1B extension + Amendment file with in 60 days? Do I face any issues in extension 

or Do I need to wait till my employer files H1B extension + Amendment petition?

Client-B wants to start working with them immediately, but my employer is asking me to wait till the H1B extension is filed.

[gopalakrishnach]

I may be wrong, I guess you can start at new client after LCA approved and your employer applies for extension/amendment after you start at client.