CorpActnInstr
                Mandatory
                ChngInstrInd
                Optional
                CancInstrId
                Optional
                InstrCxlReqId
                Optional
                OthrDocId
                Repetition (0..n)
                Mandatory
                Document Number
DocNb
                Optional
                Definition: Identification of the type of document.
Type: DocumentNumber5Choice
ShrtNb
                Choice
                LngNb
                Choice
                PrtryNb
                Choice
                LkgTp
                Optional
                EvtsLkg
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                AcctDtls
                Mandatory
                BnfclOwnrDtls
                Repetition (0..n)
                CorpActnInstr
                Mandatory
                PrtctInstr
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)