CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                CorpActnInstr
                Optional
                PrtctInstr
                Optional
                TxTp
                Mandatory
                PrtctTxSts
                Optional
                Optional
                PrtctSfkpgAcct
                Optional
                Protect Date
PrtctDt
                Optional
                Definition: Date at which the protect instruction was created and used for cover protect validation.
Type: ISODate
Restrictions:
UcvrdPrtctQty
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)