用 USPS还是Fedex 寄材料?# Immigration - 落地生根b*t2013-01-13 08:011 楼大家寄Petition letter和supporting documents,是用USPS还是Fedex ?有要求吗?好像USCIS没有说明。
s*u2013-01-13 08:015 楼usps, express mail, guaranteed next day with signature confirmation.priority will also be a good choice, slower but cheaper.