Invoices with Negative Total Amount

[Geert Janssens]

On Wednesday 19 January 2011, Nestor Stura wrote:
> Hi all,
> First of all my apologies because maybe this could be a very simple doubt,
> but, as I am my own "CPA" and I know nothing at all in accounting, I must
> post this.
> I also posted it in the Spanish list but had no answer.
> 
> In Spain we cannot delete an invoice, then when you should return a
> previous invoice we must issue a new one called "factura de abono"
> (something like "refund invoice") with the same amount of the first one.
> 
> The problem is that in Gnucash when I finish this refund invoice and try to
> post it, I get a message that Negative Total Amounts are not Accepted.
> 
> It is not a problem with the unit quantity or the unit price that are
> accepted. The problem is with the total.
> 
> Does anyone know if there is a way to do this?
> 
> Thanks in advance,
> 
> Néstor
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Unfortunately credit notes (or invoices with a negative total amount) are not 
currently possible due to limitations of the internal logic.

There are two bug reports related to this:
https://bugzilla.gnome.org/show_bug.cgi?id=350199
https://bugzilla.gnome.org/show_bug.cgi?id=535781

The first one of those two hints at a workaround.

Geert