BuyInRgltryAdvc
                Mandatory
                AcctOwnr
                Optional
                SfkpgAcct
                Mandatory
                BuyInAttrbts
                Repetition (1..n)
                Ref
                Mandatory
                BuyInStat
                Mandatory
                BuyInDfrrl
                Mandatory
                FinInstrmId
                Optional
                Qty
                Optional
                BuyInPric
                Optional
                Cash Compensation Amount
CshCompstnAmt
                Optional
                Definition: Amount of money that has to be paid by the failing trading party in case of an unsuccessful or partially successful buy-in transaction.
Type: AmountAndDirection102
Amt
                Mandatory
                Sgn
                Mandatory
                BuyInSttlmDt
                Optional
                SplmtryData
                Repetition (0..n)