In addition to narrative text, structured text with the following line formats may be used:
Optional
This field contains the reason for non-payment/non-acceptance for all transactions contained in this message.
One of the following codes may be used:
The structured format may also be used for bilaterally agreed codes.
Any code must be between slashes and must appear at the beginning of a line.
Narrative text must not begin with a slash and, if used, must begin on a new line and be the last information in the field.