AcctOpngAmdmntReq
                Mandatory
                Refs
                Mandatory
                Fr
                Optional
                CtrctDts
                Optional
                UndrlygMstrAgrmt
                Optional
                Acct
                Mandatory
                AcctSvcrId
                Mandatory
                Org
                Mandatory
                Mndt
                Repetition (0..n)
                Grp
                Repetition (0..n)
                Reference Account
RefAcct
                Optional
                Definition: Unique and unambiguous identification of the account used as a reference for the opening of another account.
Type: CashAccount40
Optional
                Tp
                Optional
                Ccy
                Optional
                Nm
                Optional
                Prxy
                Optional
                DgtlSgntr
                Repetition (0..n)
                SplmtryData
                Repetition (0..n)