<group>
<field domain="[('company_id', '=', parent.company_id), ('journal_id', '=', parent.journal_id), ('type', '<>', 'view')]" name="account_id" on_change="onchange_account_id(product_id, parent.partner_id, parent.type, parent.fiscal_position,account_id)" groups="account.group_account_user"/>
<field name="invoice_line_tax_id" context="{'type':parent.get('type')}" domain="[('parent_id','=',False),('company_id', '=', parent.company_id)]" widget="many2many_tags"/>
<group>
<field domain="[('company_id', '=', parent.company_id), ('journal_id', '=', parent.journal_id), ('type', '<>', 'view')]" name="account_id" on_change="onchange_account_id(product_id, parent.partner_id, parent.type, parent.fiscal_position,account_id)" groups="account.group_account_user"/>
<field name="invoice_line_tax_id" context="{'type':parent.get('type')}" domain="[('parent_id','=',False),('company_id', '=', parent.company_id)]" widget="many2many_tags"/>