1. I-864a Part 2 问题13是不是只需要填我母亲如果我只申请我母亲一人?
-Yes, only put your mother's name in "a" of the table.
2.十几年前办的出生公证和婚姻公证,现在还可以接着用吗?
-Yes.
3.I864和I864a及financial documents and supporting documents,可以在交完AOS fee之后马上提交吗?还是说必须要等付完IV fee并提交visa application form之后再交?
-NVC should send the instructions and you just follow it.
谢谢!