CorpActnInstr
                Mandatory
                ChngInstrInd
                Optional
                CancInstrId
                Optional
                InstrCxlReqId
                Optional
                OthrDocId
                Repetition (0..n)
                EvtsLkg
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                AcctDtls
                Mandatory
                BnfclOwnrDtls
                Repetition (0..n)
                CorpActnInstr
                Mandatory
                PrtctInstr
                Optional
                AddtlInf
                Optional
                RegnDtls
                Repetition (0..n)
                Party Contact Narrative
PtyCtctNrrtv
                Repetition (0..n)
                Definition: Provides additional information regarding the party, for example, the contact unit or person responsible for the transaction identified in the message.
Type: Max350Text (String)
Restrictions:
- MinLength: 1
 - MaxLength: 350
 
CertfctnBrkdwn
                Repetition (0..n)
                SplmtryData
                Repetition (0..n)