CorpActnInstr
                Mandatory
                ChngInstrInd
                Optional
                CancInstrId
                Optional
                InstrCxlReqId
                Optional
                OthrDocId
                Repetition (0..n)
                EvtsLkg
                Repetition (0..n)
                CorpActnGnlInf
                Mandatory
                AcctDtls
                Mandatory
                Safekeeping Account
SfkpgAcct
                Optional
                Definition: Account where financial instruments are maintained.
Type: Max35Text (String)
Restrictions:
- MinLength: 1
 - MaxLength: 35
 
BlckChainAdrOrWllt
                Optional
                AcctOwnr
                Optional
                SfkpgPlc
                Optional
                Bal
                Optional
                BnfclOwnrDtls
                Repetition (0..n)
                CorpActnInstr
                Mandatory
                PrtctInstr
                Optional
                AddtlInf
                Optional
                SplmtryData
                Repetition (0..n)