BuyInRgltryAdvc
                Mandatory
                AcctOwnr
                Optional
                Mandatory
                AnyBIC
                Choice
                Proprietary Identification
PrtryId
                Choice
                Definition: Unique and unambiguous identifier, as assigned to a financial institution using a proprietary identification scheme.
Type: GenericIdentification36
Mandatory
                Issr
                Mandatory
                SchmeNm
                Optional
                LEI
                Optional
                SfkpgAcct
                Mandatory
                BuyInAttrbts
                Repetition (1..n)
                SplmtryData
                Repetition (0..n)