CorpActnInstrStsAdvc
                Mandatory
                InstrId
                Optional
                OthrDocId
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                InstrPrcgSts
                Repetition (1..n)
                CorpActnInstr
                Optional
                OptnNb
                Mandatory
                OptnTp
                Mandatory
                OptnFeatrs
                Optional
                AcctOwnr
                Optional
                Safekeeping Account
SfkpgAcct
                Optional
                Definition: Account where financial instruments are maintained.
Type: Max35Text (String)
Restrictions:
- MinLength: 1
- MaxLength: 35
BlckChainAdrOrWllt
                Optional
                CshAcct
                Optional
                SfkpgPlc
                Optional
                FinInstrmId
                Optional
                TtlElgblBal
                Optional
                InstdBal
                Optional
                UinstdBal
                Optional
                PrtctBal
                Optional
                StsQty
                Optional
                StsCshAmt
                Optional
                SlctnDealrFeeInd
                Optional
                PrtctInstr
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)