HI EXTENSION WHILE SPOUSE OUT OF US

[CHEERUP6]

HI THERE,

I NEED TO APPLY FOR MY H1 EXTENSION BUT MY WIFE AND CHILDREN ARE OUT OF U.S , IS IT NECESSARY FOR THEM TO COME BACK BEFORE THE APPLICATION IS SUBMITTED.

ALSO CAN U GIVE ME A URL TO KNOW THE PROCESS OF H1 B EXTENSION.

THANKS IN ADVANCE.