在国内工作,绿卡到期后因为不能保证每半年回美一次就放弃了。家里其他人都是美国公民。请问这种情况申请10年签证需要哪些材料?
-Provide the copy of the green card abandonment proof (i.e., the approved I-407). The other documents are the same as the regular B2 visa application (check the US Embassy/Consulate in China for the B2 visa requirements)..