BAK Beginning Segment for Purchase Order Acknowledgment

To indicate the beginning of the purchase order acknowledgment transaction set and transmit identifying numbers and dates.

Position: BAK-01 · Element: 353 · Name: Transaction Set Purpose Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Code identifying purpose of transaction set.

Position: BAK-02 · Element: 587 · Name: Acknowledgment Type · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Code specifying the type of acknowledgment.

Position: BAK-03 · Element: 324 · Name: Purchase Order Number · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 22 · Repeat: -

Identifying number for Purchase Order assigned by the orderer/purchaser.

Position: BAK-04 · Element: 323 · Name: Purchase Order Date · Type: Date (DT) · Requirement: Mandatory · Min: 6 · Max: 6 · Repeat: -

Date assigned by the purchaser to Purchase Order.

Position: BAK-05 · Element: 328 · Name: Release Number · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 30 · Repeat: -

Number identifying a release against a Purchase Order previously placed by the parties involved in the transaction.

Position: BAK-06 · Element: 326 · Name: Request Reference Number · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 45 · Repeat: -

Reference number or RFQ number to use to identify a particular transaction set and query (additional reference number or description which can be used with contract number).

Position: BAK-07 · Element: 367 · Name: Contract Number · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 30 · Repeat: -

Contract number.

Position: BAK-08 · Element: 127 · Name: Reference Number · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 30 · Repeat: -

Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.

Position: BAK-09 · Element: 588 · Name: Acknowledgment Date · Type: Date (DT) · Requirement: Optional · Min: 6 · Max: 6 · Repeat: -

Date assigned by the sender to the acknowledgment.

BAK09 is the seller's order number.