CorpActnInstr
                Mandatory
                ChngInstrInd
                Optional
                CancInstrId
                Optional
                InstrCxlReqId
                Optional
                OthrDocId
                Repetition (0..n)
                EvtsLkg
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                AcctDtls
                Mandatory
                BnfclOwnrDtls
                Repetition (0..n)
                OwnrId
                Mandatory
                AnyBIC
                Choice
                Proprietary Identification
PrtryId
                Choice
                Definition: Unique and unambiguous identifier, as assigned to a financial institution using a proprietary identification scheme.
Type: GenericIdentification36
Mandatory
                Issr
                Mandatory
                SchmeNm
                Optional
                NmAndAdr
                Choice
                IndvOwnrId
                Choice
                LEIId
                Optional
                AltrnId
                Repetition (0..n)
                DmclCtry
                Optional
                NonDmclCtry
                Repetition (0..n)
                OwndSctiesQty
                Mandatory
                CertfctnTp
                Repetition (0..n)
                WhldgTaxRate
                Optional
                CertfctnBrkdwn
                Repetition (0..n)
                CorpActnInstr
                Mandatory
                PrtctInstr
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)