BuyInRgltryAdvc
                Mandatory
                AcctOwnr
                Optional
                SfkpgAcct
                Mandatory
                BuyInAttrbts
                Repetition (1..n)
                Ref
                Mandatory
                Account Owner Transaction Identification
AcctOwnrTxId
                Optional
                Definition: Unambiguous identification of the transaction as known by the account owner (or the instructing party managing the account).
Type: Max35Text (String)
Restrictions:
- MinLength: 1
- MaxLength: 35
AcctSvcrTxId
                Optional
                MktInfrstrctrTxId
                Optional
                PrcrTxId
                Optional
                PoolId
                Optional
                CmonId
                Optional
                TradId
                Optional
                BuyInStat
                Mandatory
                BuyInDfrrl
                Mandatory
                FinInstrmId
                Optional
                Qty
                Optional
                BuyInPric
                Optional
                CshCompstnAmt
                Optional
                BuyInSttlmDt
                Optional
                SplmtryData
                Repetition (0..n)