In addition to narrative text, the following line formats may be used:
Optional
This field is used to specify the charges which have been deducted from the amount paid/accepted/negotiated.
One or more of the following codes may be used, followed by the currency code and amount:
Any code used in this field 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.