准备申请EB1a, 在OH. 问题 1:如果140和485一起交,是否应该按照不同的P.O box 寄? No. 2,支票应该分开还是全部写在一张上? One check per case. one is $190 for I-140, the others are $385/check for each I-485. 3,家庭每位成员都要交各自的485吗? Yes, everyone has his own I-485 case.