To indicate the start of a transaction set and to assign a control number
20
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)
To identify a party by type of organization, name, and code
60
N2
Additional Name Information
To specify additional names or those longer than 35 characters in length
To specify the location of the named party
To specify the geographic place of the named party
To specify identifying information
100
PER
Administrative Communications Contact
To identify a person or office to whom administrative communications should be directed
10
DAD
Debit Authorization Detail
To provide detail information about the debit authorization
20
NM1
Individual or Organizational Name
To supply the full name of an individual or organizational entity
30
N2
Additional Name Information
To specify additional names or those longer than 35 characters in length
To specify the location of the named party
To specify the geographic place of the named party
To specify identifying information
70
PER
Administrative Communications Contact
To identify a person or office to whom administrative communications should be directed
To transmit a hash total for a specific element in the transaction set
To indicate the total monetary amount
To indicate the end of the transaction set and provide the count of the transmitted segments (including the beginning (ST) and ending (SE) segments)
