回複：回複：回複：若老公已是485-pending，在此之後才結的婚，是否

Not sure if this is new, but it is the law now, that's what matters. You can google "485 derivative" or "follow-to-join", and find a lot of discussions. You should make sure to hire a competent lawyer though, a piece of advice from me.:) An immigration lawyer should be familiar with this matter.