SctiesFincgInstr
                Mandatory
                Mandatory
                TxTpAndAddtlParams
                Mandatory
                NbCounts
                Optional
                Lnkgs
                Repetition (0..n)
                TradDtls
                Mandatory
                FinInstrmId
                Mandatory
                FinInstrmAttrbts
                Optional
                QtyAndAcctDtls
                Mandatory
                SctiesFincgDtls
                Mandatory
                SttlmParams
                Optional
                StgSttlmInstrDtls
                Optional
                SttlmStgInstrDB
                Mandatory
                CtrPty
                Mandatory
                Seller
Sellr
                Choice
                Definition: Party that sells goods or services, or a financial instrument.
Type: PartyIdentificationAndAccount206
Mandatory
                LEI
                Optional
                AltrnId
                Optional
                SfkpgAcct
                Optional
                BlckChainAdrOrWllt
                Optional
                PrcgDt
                Optional
                PrcgId
                Optional
                AddtlInf
                Optional
                Buyr
                Choice
                Vndr
                Optional
                OthrDlvrgSttlmPties
                Optional
                OthrRcvgSttlmPties
                Optional
                DlvrgSttlmPties
                Optional
                RcvgSttlmPties
                Optional
                CshPties
                Optional
                OpngSttlmAmt
                Optional
                OthrAmts
                Optional
                OthrBizPties
                Optional
                SplmtryData
                Repetition (0..n)