**Impacted versions:** 11.0

**Steps to reproduce:** 

- Configures a user with access to several companies


![administrator odoo](https://user-images.githubusercontent.com/5775695/29488651-46b4cec2-84dd-11e7-9495-e8518e93d336.png)

**Current behavior:**

- In the accounting configuration there is shared field displayed by defects for the sales tax account and purchase tax account
![configure accounting odoo 1](https://user-images.githubusercontent.com/5775695/29488677-f5b53d12-84dd-11e7-8124-831b52423719.png)


**Expected behavior:**

The value of those fields depends on the company. The users that belong to different companies may see by default different values for the field on a given record

Video/Screenshot link (optional):


addons/account/models/chart_template.py
'''
        This function is called at the confirmation of the wizard to generate the COA from the templates. It will read
        all the provided information to create the accounts, the banks, the journals, the taxes, the
        accounting properties... accordingly for the chosen company.
        '''
        if not self.env.user._is_admin():
            raise AccessError(_("Only administrators can change the settings"))
        existing_accounts = self.env['account.account'].search([('company_id', '=', self.company_id.id)])
        if existing_accounts:
            
            
            if self.existing_accounting(self.company_id):
                raise UserError(_('Could not install new chart of account as there are already accounting entries existing'))
            
            prop_values = ['account.account,%s' % (account_id,) for account_id in existing_accounts.ids]
            existing_journals = self.env['account.journal'].search([('company_id', '=', self.company_id.id)])
            if existing_journals:
                prop_values.extend(['account.journal,%s' % (journal_id,) for journal_id in existing_journals.ids])
            accounting_props = self.env['ir.property'].search([('value_reference', 'in', prop_values)])
            if accounting_props:
                accounting_props.unlink()
            
            models_to_delete = ['account.reconcile.model', 'account.fiscal.position', 'account.tax', 'account.journal']
            for model in models_to_delete: