**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):


super(ResConfigSettings, self).set_values()
        self.env['ir.config_parameter'].sudo().set_param("account.default_purchase_tax_id", self.default_purchase_tax_id.id)
        self.env['ir.config_parameter'].sudo().set_param("account.default_sale_tax_id", self.default_sale_tax_id.id)
        if self.group_multi_currency:
            self.env.ref('base.group_user').write({'implied_ids': [(4, self.env.ref('product.group_sale_pricelist').id)]})
        """ Set the product taxes if they have changed """
        IrDefault = self.env['ir.default'].sudo()
        IrDefault.set('product.template', "taxes_id", self.default_sale_tax_id.ids, company_id=self.company_id.id)
        IrDefault.set('product.template', "supplier_taxes_id", self.default_purchase_tax_id.ids, company_id=self.company_id.id)
        """ install a chart of accounts for the given company (if required) """
        if self.chart_template_id and self.chart_template_id != self.company_id.chart_template_id:
            wizard = self.env['wizard.multi.charts.accounts'].create({
                'company_id': self.company_id.id,
                'chart_template_id': self.chart_template_id.id,
                'transfer_account_id': self.chart_template_id.transfer_account_id.id,
                'code_digits': self.code_digits or 6,
                'sale_tax_rate': 15.0,
                'purchase_tax_rate': 15.0,
                'complete_tax_set': self.chart_template_id.complete_tax_set,
                'currency_id': self.currency_id.id,
                'bank_account_code_prefix': self.chart_template_id.bank_account_code_prefix,
                'cash_account_code_prefix': self.chart_template_id.cash_account_code_prefix,
            })
            wizard.onchange_chart_template_id()
            wizard.execute()
    @api.depends('company_id')
    def _compute_has_chart_of_accounts(self):