StgSttlmInstr
                Mandatory
                MsgRefId
                Mandatory
                FctvDtDtls
                Optional
                AcctId
                Repetition (1..n)
                MktId
                Mandatory
                SttlmCcy
                Optional
                SttlmDtls
                Mandatory
                SctiesDtls
                Choice
                Standing Settlement Parties
StgSttlmPties
                Mandatory
                Definition: Parties through which settlement is to take place.
Type: SettlementParties32
Dpstry
                Mandatory
                Pty1
                Optional
                Pty2
                Optional
                Pty3
                Optional
                Pty4
                Optional
                Pty5
                Optional
                LclMktId
                Repetition (0..n)
                RegnDtls
                Optional
                CshPtiesDtls
                Choice
                SplmtryData
                Repetition (0..n)