h1b change in location

[uttakarsh]

i am on h1b visa ...in arkansas state..my project gonna get over soon...i need to look for a new project which requires change in my location..can i change my location .. is ammendment of petition required ....for the change of location....(i.e state).

also before coming to bentonville i was suppose to work in new jersey so i have an lca for arkansasas well as new jersey with me..does my lca for new jersey still hold gud..if so i can think of moving to new jersey...

need some guidance on this...