1. EAD based on OPT is considered used when issued, no matter you worked or not.
2. A# on EAD is your temp A#, It can be the same as on your GC, and also can be different. The A# that will be on your GC is your formal A#.
2. A# on EAD is your temp A#, It can be the same as on your GC, and also can be different. The A# that will be on your GC is your formal A#.