CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                CorpActnInstr
                Optional
                PrtctInstr
                Optional
                TxTp
                Mandatory
                Protect Transaction Status
PrtctTxSts
                Optional
                Definition: Status of the protect transaction.
Type: ProtectInstructionStatus3Code (String)
Allowed Values:
- OPEN (Open): Protect instruction which has not been fully covered. Will include partial covers.
- COVR (Fully Covered): Protect instruction has been fully covered.
- EXPI (Expired): Protect instruction has expired.
Optional
                PrtctSfkpgAcct
                Optional
                PrtctDt
                Optional
                UcvrdPrtctQty
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)