In newer versions of Sage 200 it is possible to copy an existing order when entering a sales return in SOP so that you do not have to manually key in all lines. It would be useful if the same option was available in the Invoicing Module. So when you enter a Credit Note, you can copy the Invoice.
Automatically raise a credit note from an invoice
Merged
The ability to raise a credit note from an invoice in the invoicing module:
Merged
Create Credit Note from Invoice so that it links
Merged