回複:兩張I94, 出境時應該交那一張?
turn in J1 I-94, also the H1 I94 is useless anyway.
When you re-enter with a new H1 visa stamp, you must write a new I-94 and get stamped, which will have a new I94 number as this will be a brand new entry. The old I-94 number since your last J entry will be closed.