Electronic Data Interchange (ASC/X12)
Auto-Create Transaction Set Response Header (AK2)

A Transaction Set Response Header (AK2) is created for each transaction set encountered in the functional group reported by AK1.  The AK2 is created when the Transaction Set Header (ST) is encountered in the subject document.
POSITION ELEMENT ID DESCRIPTION CONSTRUCT INFO
01 143  Transaction Set Identifier Code The transaction set identifier of the transaction set acknowledged is assigned here.
02 329  Transaction Set Control Number The control number of the transaction set acknowledged is assigned here.
03 1705  Implementation Convention Reference The implementation convention reference of the transaction set acknowledged is assigned here.

 

The example below shows where the AK2 data segment populates its data from the ST data segment.

 

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