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[Bug 707923] Re: [6.0 and 5] invoice tax - rounding issue

 

Hi all, we developed a module that implements the vertical (by columns) computation of invoice taxes.
It also covers the particular case of Italian partially deductible VAT.
See http://apps.openerp.com/addon/6056

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https://bugs.launchpad.net/bugs/707923

Title:
  [6.0 and 5] invoice tax - rounding issue

Status in OpenERP Modules (addons):
  Won't Fix

Bug description:
  see attachment

  due to rounding of the calculated tax for each position we get totals
  which are wrong.

  In Austria we usually group the basis per tax rate and calculate the
  tax from this basis to avoid such errors.

  in account/invoice.py
  class account_invoice_tax  - 
  def compute must be modified 

  actually only some lines of code to group the invoice lines before
  calculating the tax

  probably this has been discussed (but not solved) already

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References