来自你的文章. http://www.mitbbs.com/article0/EB23/32138945_0.html NSC 一旦收到request, 就会forward 给485 adjudicator for review。但是NSC cannot specify when the request will reach adjudicator due to case volume and processing time. 如果排期没有C就要求transfer的,applicant不会收到separate acknowledgement,因 为这个request现在还不是 case action,要等到visa available transfer才会 complete。但是customer service可以确认收到你的request。 排期C了之后,Adjudicator可能会RFE询问你 preferred basis for 485 if more than one is present(即多个approved 140).