EDI
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BAU Beginning Segment for the Debit Authorization

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)

Sequence
Element
Name
Type
Requirement
Min
Max
Repeat
01
127
Reference Identification
String (AN)
Mandatory
1
80
1
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
BAU01 is assigned by the account holder's application and relevant as an application trace number.
02
Payment Method Code
Identifier (ID)
Mandatory
3
3
1
Code identifying the method for the movement of payment instructions
Codes (56)
03
(DFI) ID Number Qualifier
Identifier (ID)
Mandatory
2
2
1
Code identifying the type of identification number of Depository Financial Institution (DFI)
Codes (5)
04
(DFI) Identification Number
String (AN)
Mandatory
3
12
1
Depository Financial Institution (DFI) identification number
05
Account Number
String (AN)
Mandatory
1
35
1
Account number assigned
06
Name
String (AN)
Optional
1
60
1
Free-form name
BAU06 identifies the party holding the account being debited. If used, it further serves to identify the account holder to the financial institution.

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Stedi is a registered trademark of Stedi, Inc. Stedi's EDI Reference and Mapping Guides are provided for marketing purposes and are free of charge. All names, logos, and brands of third parties listed on our site are trademarks of their respective owners (including “X12”, which is a trademark of X12 Incorporated). Stedi, Inc. and its products and services are not endorsed by, sponsored by, or affiliated with these third parties. Our use of these names, logos, and brands is for identification purposes only, and does not imply any such endorsement, sponsorship, or affiliation.