[ic] Double taxes

[Philippe Roche]

Hi,

I have a problem with the two sales tax in canada/Quebec(ontario ..etc...)
I've read the announce concerning this problem and find this:
---------------------------------------------------------------------------
This one comes up often enough that we need an FAQ. You need
to use the mv_handling feature.

In shipping.asc:

gst     GST     [subtotal noformat=1]   0       99999999        x .07
pst     PST     [subtotal noformat=1] [value state]     0       0       0
pst     PST for Alberta AB      0       99999999        x .075
pst     PST for Ontario ON      0       99999999        x .08
etc.
pst     No PST          0       99999999        0

GST is always applied, but PST can be geographically qualified
on province. The first line just sets up the geographic qualification.

Now just set:

        [value name=mv_handling set="gst pst" hide=1]

somewhere at the top of the checkout page.

Finally:

        GST: [shipping gst]
        PST: [shipping pst]

All of this requires a reconfig of the catalog, of course. And the
state qualification may not work for you, as I happen to know that 
Canada can do some funny things with PST exemptions based on postal
code. There you should have a custom usertag to calculate your PST
percentage.
-------------------------------------------------------------------------------

The problem is that it doesnt work with the interchange version(this 
solution, i think, is for minivend)...
Did someone solve this problem with interchange...when i try this solution, 
i've got a error message like this: no definition for PST&GST put 0,00$

Thank you very much for your help!

Philippe Roche
Molecular biologist
Uqàm, QC, CA