The comment lines of the details window of the invoice can be printed by choosing the correct template that supports the field ITEM_DESCRIPTION. There are many templates to choose from:
The following template will print the comment details on the invoice:
The followig template will print the cross account description on the invoice:
Notice the difference between the template names. The _1 indicates cross account descriptions. If you are using a different template when printing invoices, issue Print > Invoices and then next to the value field of Template press F3 (to pick) a suitable template. Seach the list of the available templates and choose the appropriate one.
If you are using a customized the template, change the field in Excel by first opening the template in Excel and then issue Inter > Name > Define and remove the slot Item_AccountDescription and add Item_Description in it’s place.