回複：問一個關於PD carryover 的問題

不知道如果這之後原單位撤銷了原i-140，最壞的情況會是如何？
-The I-485 based on this I-140 will become invalid. Also, you need to go back to work for the old employer (GC sponsor) if your I-485 is approved based on this old I-140. Otherwise, your GC will be cancelled.