PJiang 大师的博客提到 I-130表的材料时说:“ 父母的结婚证不是一定需要的,除非他们没列在你的出生证上(非亲生父或母)。” 可是I-130 的说明说“A Father:..Also give a copy of your parents' marrigage certificate estalishing that your father was married to your mother before you were born." 父母的结婚证到底是不是必须的材料?还有, 我的出生公证是99年办的,是不是还可以用?多谢!