partner-contact/partner_sector/views/base_config_settings.xml

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

        <record id="view_general_configuration" model="ir.ui.view">
            <field name="name">General Settings</field>
            <field name="model">base.config.settings</field>
            <field name="inherit_id" ref="base_setup.view_general_configuration"/>
            <field name="arch" type="xml">
                <group name="authentication" position="after">
                    <group name="partner">
                        <label for="id" string="Sector for individual"/>
                        <div name="group_use_partner_sector_for_person">
                            <field name="group_use_partner_sector_for_person" class="oe_inline"/>
                            <label for="group_use_partner_sector_for_person"/>
                        </div>
                    </group>
                </group>
            </field>
        </record>

</odoo>