CtrctRegnClsrReq
                Mandatory
                GrpHdr
                Mandatory
                MsgId
                Mandatory
                CreDtTm
                Mandatory
                NbOfItms
                Mandatory
                InitgPty
                Mandatory
                Nm
                Optional
                PstlAdr
                Optional
                Optional
                Organisation Identification
OrgId
                Choice
                Definition: Unique and unambiguous way to identify an organisation.
Type: OrganisationIdentification29
AnyBIC
                Optional
                LEI
                Optional
                Othr
                Repetition (0..n)
                PrvtId
                Choice
                CtryOfRes
                Optional
                CtctDtls
                Optional
                FwdgAgt
                Optional
                RegdCtrctClsr
                Repetition (1..n)
                SplmtryData
                Repetition (0..n)