Doubt on Change lca after stamping

USA H1B Visa
1

Hi,

I got my stamping done for h1b visa recently jan 2017.

Now my client and location changed.

please suggest whether i need to go for LCA change or H1 amendment.

2

H1 Amendment is requiredH1 Amendment is required

3

Can I travel after i get Lca, then can i go for amendment?? Please let me know best to travel as soon as possible