CorpActnInstr
                Mandatory
                ChngInstrInd
                Optional
                CancInstrId
                Optional
                InstrCxlReqId
                Optional
                OthrDocId
                Repetition (0..n)
                EvtsLkg
                Repetition (0..n)
                EvtId
                Mandatory
                Linkage Type
LkgTp
                Optional
                Definition: Specifies when this corporate action event is to be processed relative to a linked corporate action event.
Type: ProcessingPosition7Choice
Cd
                Choice
                Prtry
                Choice
                CorpActnGnlInf
                Mandatory
                AcctDtls
                Mandatory
                BnfclOwnrDtls
                Repetition (0..n)
                CorpActnInstr
                Mandatory
                PrtctInstr
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)