21、 下列何者非MT100之必要欄位？
(A) 20 TRANSACTION REFERENCE NUMBER
(B) 50 ORDERING CUSTOMER
(C) 57a ACCOUNT WITH INSTITUTION
(D) 59 BENEFICIARY CUSTOMER

答案：登入後查看
統計： A(26), B(7), C(52), D(20), E(0) #1415129