8老師,皮老師: 現找到了一朋友做co-sponsor, 他是退休的公民, 想請問他所需的經濟擔保材料要哪些? 與其它在職的人做擔保有社麽不同? 謝謝!
-The same, and he needs to provide his income information or assets information for the sponsor (I-864 filing).