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
Element
Name
Type
Requirement
Min
Max
Repeat
BAK-01
Transaction Set Purpose Code
Identifier (ID)
Mandatory
2
2
-
Code identifying purpose of transaction set.
BAK-02
Acknowledgment Type
Identifier (ID)
Mandatory
2
2
-
Code specifying the type of acknowledgment.
BAK-03
Purchase Order Number
String (AN)
Mandatory
1
22
-
Identifying number for Purchase Order assigned by the orderer/purchaser.
BAK-04
Date
Date (DT)
Mandatory
6
6
-
Date (YYMMDD).
BAK04 is the date assigned by the purchaser to purchase order.
BAK-05
Release Number
String (AN)
Optional
1
30
-
Number identifying a release against a Purchase Order previously placed by the parties involved in the transaction.
BAK-06
Request Reference Number
String (AN)
Optional
1
45
-
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).
BAK-07
Contract Number
String (AN)
Optional
1
30
-
Contract number.
BAK-08
Reference Number
String (AN)
Optional
1
30
-
Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.
BAK08 is the seller's order number.
BAK-09
Date
Date (DT)
Optional
6
6
-
Date (YYMMDD).
BAK09 is the date assigned by the sender to the acknowledgment.

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