BAU Beginning Segment for the Debit Authorization

Batch

To identify the beginning of the Debit Authorization Transaction Set; the BAU segment is used to identify the financial institution and account of the payer (i.e., the party authorizing the debit against its account)

Elements

PositionElementNameTypeMin/MaxRepeat
1127Reference IdentificationMandatoryAlphanumeric1/301
2591Payment Method CodeMandatoryID3/31
3506(DFI) ID Number QualifierMandatoryID2/21
4507(DFI) Identification NumberMandatoryAlphanumeric3/121
5508Account NumberMandatoryAlphanumeric1/351
693NameOptAlphanumeric1/601

Element Details

ID127
NameReference Identification
LengthMin 1 / Max 30
Position1
RequirementMandatory