CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                CorpActnInstr
                Optional
                PrtctInstr
                Optional
                Transaction Type
TxTp
                Mandatory
                Definition: Indicates whether the instruction is a protect or a cover protect instruction.
Type: ProtectTransactionType2Code (String)
Allowed Values:
- PROT (Protect Transaction): Reorganisation is a protect transaction type.
- COVP (Cover On Behalf Of Another Participant Transaction): Reorganisation is a cover on behalf of another participant transaction type.
- COVR (Cover Protect Transaction): Reorganisation is a cover protect transaction type.
PrtctTxSts
                Optional
                Optional
                PrtctSfkpgAcct
                Optional
                PrtctDt
                Optional
                UcvrdPrtctQty
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)