ASC/X12 Reference
AK3 - Data Segment Note

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Technical Notes

  1. The AK3 data segment is created in the functional acknowledgment when an error is found in a data segment in the subject document.  If the functional acknowledgment is enabled, the Functional Acknowledgment (997) transaction set is created, and this data segment is created in this transaction set as errors are found in data segments in the subject document.  The error code is stored in the Segment Syntax Error Code (720) data element.  This data segment will not be present if no errors are found.

Standard Information

NOTE: This information is referenced from ASC/X12 and may not be current.  For the latest information please visit the ASC/X12 web site.

To report errors in a data segment and identify the location of the data segment.

REF IDENTIFIER NAME REQ TYPE MIN/MAX NOTES
01 721  Segment ID Code M ID 2/3  
02 719  Segment Position in Transaction Set M N0 1/10  
03 447  Loop Identifier Code O AN 1/4  
04 720  Segment Syntax Error Code O ID 1/3