br_account/views/product_view.xml
<?xml version="1.0" encoding="utf-8"?>
<odoo>
<record id="br_account_product_template_form_view" model="ir.ui.view">
<field name="name">br_account_product_template_form_view</field>
<field name="model">product.template</field>
<field name="inherit_id" ref="account.product_template_form_view"/>
<field name="arch" type="xml">
<group name="accounting" position="inside">
<group>
<field name="fiscal_category_id" />
<field name="fiscal_type" />
<field name="origin" attrs="{'required': [('fiscal_type', '=', 'product')], 'invisible': [('fiscal_type', '=', 'service')]}" />
<field name="fiscal_classification_id" attrs="{'required': [('fiscal_type', '=', 'product')], 'invisible': [('fiscal_type', '=', 'service')]}" />
<field name="service_type_id" attrs="{'required': [('fiscal_type', '=', 'service')], 'invisible': [('fiscal_type', '=', 'product')]}" domain="[('internal_type', '=', 'normal')]"/>
<field name="cest" attrs="{'invisible': [('fiscal_type', '=', 'service')]}" />
</group>
</group>
<group name="description" position="inside">
<separator string="Mensagens Documento EletrĂ´nico" colspan="4"/>
<field name="fiscal_observation_ids" colspan="4" nolabel="1"/>
</group>
</field>
</record>
</odoo>