回复:请问一定要接到PERM的书面通知才可以递交485/140吗?
Maybe, you can e-file your 140, and submit your 485 with 140 receipt... waiting for hard copy and then mailing 140's materials to USCIS...
Maybe, you can e-file your 140, and submit your 485 with 140 receipt... waiting for hard copy and then mailing 140's materials to USCIS...