TXF categories for French tax system

[Parker Jones]

Thanks very much for looking into that Alex.  Sorry for your trouble, it was my fault - I used an existing gnucash file without an appropriate tax identity.  With a new file the German tax codes appear to be fine.

I am pressing ahead with the existing locale-based approach on the assumption that any necessary changes afterwards will only be minor.  If that's not the case please do let me know.  I'm hurrying because I'd like to have the French tax system working fairly soon, perhaps even in time for the Ministre des Finances' deadline :-)


One minor issue: in the File -> Edit menu "Income tax options" used to be translated into German, but in 18569 it isn't.

Cheers,
Parker
 
> From: alex.aycinena at gmail.com
> I just updated to 18569 and built it configured with
> --enable-locale-specific-tax. When run with
> '/opt/gnucash-svn/gnucash-clean/bin/gnucash --debug --log
> gnc.scm=debug', it is in English with US tax codes. When run with
> 'LANG=de_DE /opt/gnucash-svn/gnucash-clean/bin/gnucash --debug --log
> gnc.scm=debug', it is in German with German tax codes. So not sure
> what to tell you. Perhaps someone else can give you ideas. At least
> you know it works as it's supposed to for me.
> 
> Alex
> 
> On Thu, Jan 14, 2010 at 5:17 PM, Parker Jones <zoubidoo at hotmail.com> wrote:
> > Thanks for all the helpful explanations everyone.
> >
> > Changes in the way in which tax systems are handled (e.g not based on
> > locale, or allowing multiple tax systems) are a bit too ambitious for me,
> > and so I just plan to add the French tax categories like the German ones,
> > which is hopefully a more modest goal.
> >
> > I have checked out and built revision 18569 but am getting some unexpected
> > behaviour: instead of getting German tax categories for the German locale,
> > I'm getting the US ones.  This doesn't occur with version 2.2.9 (r17949M)
> > which is packaged by Ubuntu.  In both cases I'm getting German menus, so the
> > locale seems ok.  So what parameters should I pass to configure?  So far I
> > have tried none and --enable-locale-specific-tax but the problem persists.
> > Any ideas?
> >
> > Cheers,
> > Parker
> >
> >
> >> Dear Parker,
> >>
> >> thanks for bringing up the idea. I think it would be great to add support
> >> for
> >> French tax requirements here. I also think there are possibilities to
> >> implement this in a better way than the locale-hack without too much
> >> additional effort.
> >>
> >> Am Donnerstag, 7. Januar 2010 schrieb J. Alex Aycinena:
> >> > > ./scm/txf.scm -> txf-de_DE.scm
> >> > > ./guile-modules/gnucash/report/taxtxf.scm -> taxtxf-de_DE.scm
> >> > > ./guile-modules/gnucash/report/locale-specific/us.scm -> de_DE.scm
> >> > > ./guile-modules/gnucash/tax/us.scm --> de_DE.scm
> >> > >
> >> > > Are there any others I missed? The diffs don't look very large, but
> >> > > there seems to be a fair bit of duplicated code.
> >>
> >> In principle, this is all. The changes belong into two areas:
> >>
> >> - The first main part of this are simply the list of tax codes and their
> >> explanation, which will be different for any tax system which is
> >> supported; I
> >> think this is in scm/txf.scm but I might be wrong. The mapping of tax
> >> system
> >> to list of tax codes is currently done at start-up depending on the locale
> >> (by
> >> loading different files) and this would need to be changed, but the
> >> principle
> >> stays the same even if more tax systems are added.
> >>
> >> - The second main part is the report which generates the output
> >> (report/taxtxf.scm), and this one contains not only the final output
> >> format
> >> but also the logic about which numbers should be calculated and in what
> >> representations. Hence, this one cannot easily be shared among the
> >> different
> >> tax systems - every one would have to come with its own output report.
> >>
> >> > I have recently made significant changes to the US Income Tax
> >> > reporting bits that have not been reflected in the German equivalents.
> >> > I believe that the German version was done quite some time ago by
> >> > Christian as sort of a proof of concept and it hasn't been maintained
> >> > - but he can speak to that better than I.
> >> >
> >> > If you want to add French Income Tax capabilities that would be great,
> >> > in my opinion. However, I think we should discuss whether following
> >> > the approach done for the German taxes is a good long-term solution.
> >> > The problem with making it locale dependent in the way the current
> >> > German implementation works is that it doesn't handle cases in which
> >> > people need to file in more than one jurisdiction - it's an either/or
> >> > approach.
> >>
> >> I think the first question here is what is the use case for a user
> >> choosing a
> >> tax system, and how should this choice be presented to the user. I think
> >> it is
> >> reasonable to present a per-book setting, so that in one particular
> >> gnucash
> >> file (book), one tax system can be used but not multiples. Hence, the GUI
> >> will
> >> need to present this per-book choice somewhere (File -> Properties) and
> >> the
> >> rest of the tax GUI uses the tax codes according to this setting.
> >>
> >> Even though a small number of users might ask for multiple tax systems in
> >> one
> >> book, implementing that one would require a significantly more complex GUI
> >> to
> >> the user and it would also be much more complex for the internal
> >> structures,
> >> so I would suggest not to go into that direction.
> >>
> >> Once someone implements a per-book property, the list of tax codes and the
> >> chosen tax report need to use this property at run-time (as opposed to
> >> startup
> >> time) to select the suitable data. Any volunteer to implement this part?
> >>
> >> Once the selection framework is in place, more tax systems (German but now
> >> the
> >> correct way, French, Australian etc) should be able to be added easily...
> >>
> >> Regards,
> >>
> >> Christian
> >
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