My change of employer H1B approved with NY location but I couldn’t join due to personal reason. I’m still working with my previous employer. Now the new employer agreed to a different location for the same client.
Can the new employer file an amendment before joining or can they file an amendment only after my joining?
Can I join in the new location without amendment or should I join at the approved location first?
You can join the approved location without any problem .
But to change the location , if the location is outside the Statistical Metropolitan Area (SMA) than the original approved LCA by the new employer , then YES . There should be an amendment . But your new employer can file this and while they await am approval you can start at the new location .
Assuming other than the location change all other job aspects remain same . USCIS website defines when should an amendment be filed .