我母亲在美国一直都是零收入,在填写I-864表格为我弟弟做申请的时候,有一项“I was not required to file a Federal income tax return as my income was below the IRS reuiqred level and I have attached evidence to support this", 我只能在这一项打勾,可是需要递交怎样的材料去证明妈妈零收入, 还是不用递交任何材料。另外补充一下,我是joint sponsor可以提供收入证明。 大家一般如何填写呢?
谢谢啦!