B5 Beginning Segment for Acceptance/Rejection

To transmit identifying numbers, dates, and other basic data relating to the transaction set

Position: B5-01 · Element: 143 · Name: Transaction Set Identifier Code · Type: Identifier (ID) · Requirement: Optional · Min: 3 · Max: 3 · Repeat: -

Code uniquely identifying a Transaction Set

Position: B5-02 · Element: 2 · Name: Number of Accepted Transaction Sets · Type: Numeric (N0) · Requirement: Mandatory · Min: 1 · Max: 6 · Repeat: -

Number of accepted Transaction Sets in a Functional Group

Position: B5-03 · Element: 123 · Name: Number of Received Transaction Sets · Type: Numeric (N0) · Requirement: Mandatory · Min: 1 · Max: 6 · Repeat: -

Number of Transaction Sets received

Position: B5-04 · Element: 28 · Name: Group Control Number · Type: Numeric (N0) · Requirement: Mandatory · Min: 1 · Max: 9 · Repeat: -

Assigned number originated and maintained by the sender