CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                CorpActnInstr
                Optional
                PrtctInstr
                Optional
                TxTp
                Mandatory
                PrtctTxSts
                Optional
                Transaction Identification
TxId
                Optional
                Definition: Unique reference of the protect transaction assigned by the depository and used for cover protect validation.
Type: Max15Text (String)
Restrictions:
- MinLength: 1
- MaxLength: 15
PrtctSfkpgAcct
                Optional
                PrtctDt
                Optional
                UcvrdPrtctQty
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)