PrtryFrmtInvstgtn
                Mandatory
                Assgnmt
                Mandatory
                Mandatory
                Assgnr
                Mandatory
                Assgne
                Mandatory
                Pty
                Choice
                Agt
                Choice
                FinInstnId
                Mandatory
                BICFI
                Optional
                Clearing System Member Identification
ClrSysMmbId
                Optional
                Definition: Information used to identify a member within a clearing system.
Type: ClearingSystemMemberIdentification2
ClrSysId
                Optional
                MmbId
                Mandatory
                LEI
                Optional
                Nm
                Optional
                PstlAdr
                Optional
                Othr
                Optional
                BrnchId
                Optional
                CreDtTm
                Mandatory
                Case
                Optional
                PrtryData
                Mandatory
                SplmtryData
                Repetition (0..n)