CtrctRegnClsrReq
                Mandatory
                GrpHdr
                Mandatory
                MsgId
                Mandatory
                CreDtTm
                Mandatory
                NbOfItms
                Mandatory
                InitgPty
                Mandatory
                Nm
                Optional
                PstlAdr
                Optional
                Optional
                Choice
                Private Identification
PrvtId
                Choice
                Definition: Unique and unambiguous identification of a person, for example a passport.
Type: PersonIdentification13
DtAndPlcOfBirth
                Optional
                Othr
                Repetition (0..n)
                CtryOfRes
                Optional
                CtctDtls
                Optional
                FwdgAgt
                Optional
                RegdCtrctClsr
                Repetition (1..n)
                SplmtryData
                Repetition (0..n)