AcctOpngInstr
                Mandatory
                MsgId
                Mandatory
                OrdrRef
                Optional
                PrvsRef
                Optional
                InstrDtls
                Mandatory
                OpngTp
                Mandatory
                AcctApplId
                Optional
                ClntRef
                Optional
                CtrPtyRef
                Optional
                Reference
Ref
                Mandatory
                Definition: Message identification of a message. This reference was assigned by the party issuing the message.
Type: Max35Text (String)
Restrictions:
- MinLength: 1
- MaxLength: 35
RefIssr
                Optional
                MsgNm
                Optional
                ExstgAcctId
                Repetition (0..n)
                InvstmtAcct
                Mandatory
                AcctPties
                Mandatory
                Intrmies
                Repetition (0..n)
                Plcmnt
                Optional
                NewIsseAllcn
                Optional
                SvgsInvstmtPlan
                Repetition (0..50)
                WdrwlInvstmtPlan
                Repetition (0..10)
                CshSttlm
                Repetition (0..8)
                SvcLvlAgrmt
                Repetition (0..30)
                AddtlInf
                Repetition (0..n)
                MktPrctcVrsn
                Optional
                Xtnsn
                Repetition (0..n)