As I know, if PERM和tranditional LC的內容完全一致, then it will be regarded as "cancel tranditional LC and convert it to Perm".
To carry over PD, Perm must have some job deions different than the old LC, with 2 I-140 approved.
To carry over PD, Perm must have some job deions different than the old LC, with 2 I-140 approved.