<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <record id="view_partner_form" model="ir.ui.view">
        <field name="name">res.partner.form</field>
        <field name="model">res.partner</field>
        <field name="inherit_id" ref="base.view_partner_form"/>
        <field name="type">form</field>
        <field name="arch" type="xml">
            <field name='company_id' position="after">
                <field name="facturae"/>
            </field>
            <page name="sales_purchases" position="after">
                  <page string='FACe' name="facturae" attrs="{'invisible': [('facturae', '=', False)]}">
                    <group>
                        <field name="invoice_integration_method_ids" widget="many2many_checkboxes"/>
                        <field name="organo_gestor" attrs="{'required': [('facturae', '=', True)]}"/>
                        <field name="unidad_tramitadora" attrs="{'required': [('facturae', '=', True)]}" />
                        <field name="oficina_contable" attrs="{'required': [('facturae', '=', True)]}"/>
                        <field name="organo_proponente"/>
                    </group>
                  </page>
            </page>
        </field>
    </record>

</odoo>

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <record id="view_partner_form" model="ir.ui.view">
        <field name="name">res.partner.form</field>
        <field name="model">res.partner</field>
        <field name="inherit_id" ref="base.view_partner_form"/>
        <field name="type">form</field>
        <field name="groups_id" eval="[(4, ref('account.group_account_invoice'))]"/>
        <field name="arch" type="xml">
            <field name='company_id' position="after">
                <field name="facturae"/>
            </field>
            <page name="sales_purchases" position="after">
                  <page string='FACe' name="facturae" attrs="{'invisible': [('facturae', '=', False)]}">
                    <group>
                        <field name="invoice_integration_method_ids" widget="many2many_checkboxes"/>
                        <field name="organo_gestor" attrs="{'required': [('facturae', '=', True)]}"/>
                        <field name="unidad_tramitadora" attrs="{'required': [('facturae', '=', True)]}" />
                        <field name="oficina_contable" attrs="{'required': [('facturae', '=', True)]}"/>
                        <field name="organo_proponente"/>
                    </group>
                  </page>
            </page>
        </field>
    </record>

</odoo>

Add security group for partner view
[11.0][FIX] l10n_es_facturae: Add security group for partner view
