CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                Canc
                Choice
                AccptdForFrthrPrcg
                Choice
                Rjctd
                Choice
                Pdg
                Choice
                DfltActn
                Choice
                StgInstr
                Choice
                PrtrySts
                Choice
                PrtrySts
                Mandatory
                PrtryRsn
                Repetition (0..n)
                Rsn
                Optional
                Identification
Id
                Mandatory
                Definition: Proprietary information, often a code, issued by the data source scheme issuer.
Type: Exact4AlphaNumericText (String)
Restrictions:
- Pattern: [a-zA-Z0-9]{4}
Issr
                Mandatory
                SchmeNm
                Optional
                AddtlRsnInf
                Optional
                CorpActnInstr
                Optional
                PrtctInstr
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)