PrtryFrmtInvstgtn
                Mandatory
                Assgnmt
                Mandatory
                Case
                Optional
                Mandatory
                Cretr
                Mandatory
                Pty
                Choice
                Agent
Agt
                Choice
                Definition: Identification of a financial institution.
Type: BranchAndFinancialInstitutionIdentification6
FinInstnId
                Mandatory
                BrnchId
                Optional
                ReopCaseIndctn
                Optional
                PrtryData
                Mandatory
                SplmtryData
                Repetition (0..n)