BkToCstmrAcctRpt
                Mandatory
                GrpHdr
                Mandatory
                Rpt
                Repetition (1..n)
                Supplementary Data
SplmtryData
                Repetition (0..n)
                Definition: Additional information that cannot be captured in the structured elements and/or any other specific block.
Type: SupplementaryData1
PlcAndNm
                Optional
                Envlp
                Mandatory