PrtryFrmtInvstgtn
                Mandatory
                Assgnmt
                Mandatory
                Case
                Optional
                Mandatory
                Cretr
                Mandatory
                Pty
                Choice
                Nm
                Optional
                PstlAdr
                Optional
                Identification
Id
                Optional
                Definition: Unique and unambiguous identification of a party.
Type: Party38Choice
Choice
                PrvtId
                Choice
                CtryOfRes
                Optional
                CtctDtls
                Optional
                Agt
                Choice
                ReopCaseIndctn
                Optional
                PrtryData
                Mandatory
                SplmtryData
                Repetition (0..n)