AcctModInstr
                Mandatory
                MsgId
                Mandatory
                PrvsRef
                Optional
                InstrDtls
                Optional
                InvstmtAcctSelctn
                Mandatory
                ModfdInvstmtAcct
                Optional
                ModfdAcctPties
                Repetition (0..n)
                ModScpIndctn
                Mandatory
                PrncplAcctPty
                Optional
                PmryOwnr
                Choice
                Trstee
                Choice (1..5)
                Nmnee
                Choice
                Pty
                Mandatory
                MnyLndrgChck
                Optional
                ModfdInvstrPrflVldtn
                Repetition (0..n)
                ModScpIndctn
                Mandatory
                InvstrPrflVldtn
                Mandatory
                CertfctnInd
                Optional
                VldtngPty
                Optional
                ChckngPty
                Optional
                RspnsblPty
                Optional
                CertTp
                Optional
                ChckngDt
                Optional
                Checking Frequency
ChckngFrqcy
                Optional
                Definition: Specifies how frequently the check is performed.
Type: EventFrequency1Code (String)
Allowed Values:
- YEAR (Annual): Event takes place every year or once a year.
- SEMI (Semi Annual): Event takes place every six months or two times a year.
- QUTR (Quarterly): Event takes place every three months or four times a year.
- TOMN (Every Two Months): Event takes place every two months.
- MNTH (Monthly): Event takes place every month or once a month.
- TWMN (Twice A Month): Event takes place two times a month.
- TOWK (Every Two Weeks): Event takes place every two weeks.
- WEEK (Weekly): Event takes place once a week.
- DAIL (Daily): Event takes place every day.
- ADHO (Adhoc): Event takes place as necessary.
- INDA (Intra Day): Event takes place several times a day.
- OVNG (Overnight): Event takes place overnight.
- ONDE (On Demand): Event takes place on demand.
NxtRvsnDt
                Optional
                SlryRg
                Optional
                SrcOfWlth
                Optional
                CstmrCndctClssfctn
                Optional
                RskLvl
                Optional
                KnowYourCstmrChckTp
                Optional
                KnowYourCstmrDBChck
                Optional
                OwnrshBnfcryRate
                Optional
                ClntId
                Optional
                FsclXmptn
                Optional
                SgntryRghtInd
                Optional
                MiFIDClssfctn
                Optional
                Ntfctn
                Repetition (0..n)
                FATCAFormTp
                Repetition (0..n)
                FATCASts
                Repetition (0..n)
                FATCARptgDt
                Optional
                CRSFormTp
                Repetition (0..n)
                CRSSts
                Repetition (0..n)
                CRSRptgDt
                Optional
                OthrId
                Repetition (0..n)
                TaxXmptn
                Optional
                TaxRptg
                Repetition (0..n)
                Lang
                Optional
                MailTp
                Optional
                CtryAndResdtlSts
                Optional
                MntryWlth
                Optional
                EqtyVal
                Optional
                WorkgCptl
                Optional
                CpnyLk
                Optional
                ElctrncMlngSvcRef
                Optional
                PmryComAdr
                Repetition (0..n)
                ScndryComAdr
                Repetition (0..n)
                AddtlRgltryInf
                Optional
                AcctgSts
                Optional
                AddtlInf
                Repetition (0..n)
                CtrlgPty
                Optional
                JntOwnr
                Choice (1..5)
                ScndryOwnr
                Repetition (0..n)
                Bnfcry
                Repetition (0..n)
                PwrOfAttny
                Repetition (0..n)
                LglGuardn
                Repetition (0..n)
                CtdnForMnr
                Repetition (0..n)
                SucssrOnDth
                Repetition (0..n)
                Admstr
                Repetition (0..n)
                OthrPty
                Repetition (0..n)
                Grntr
                Repetition (0..n)
                Sttlr
                Repetition (0..n)
                SnrMggOffcl
                Repetition (0..n)
                Prtctr
                Repetition (0..n)
                RegdShrhldrNm
                Optional
                ModfdIntrmies
                Repetition (0..n)
                ModfdPlcmnt
                Optional
                ModfdIsseAllcn
                Optional
                ModfdSvgsInvstmtPlan
                Repetition (0..50)
                ModfdWdrwlInvstmtPlan
                Repetition (0..10)
                ModfdCshSttlm
                Repetition (0..8)
                ModfdSvcLvlAgrmt
                Repetition (0..30)
                ModfdAddtlInf
                Repetition (0..n)
                MktPrctcVrsn
                Optional
                Xtnsn
                Repetition (0..n)