account-financial-reporting/account_bank_statement_line_reconciliation/views/res_config_settings_views.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
    <record id="extra_view_account_config_settings" model="ir.ui.view">
        <field name="name">extra.view.account.config.settings</field>
        <field name="model">account.config.settings</field>
        <field name="inherit_id" ref="account.view_account_config_settings"/>
        <field name="arch" type="xml">

            <xpath expr="//group[@groups='account.group_account_user']" position="inside">
            <label for="id" string="Bank Reconciliation Threshold"/>
              <div>
                  <div>
                      <label for="account_bank_reconciliation_start"/>
                      <field name="account_bank_reconciliation_start" class="oe_inline"/>
                  </div>
              </div>
            </xpath>

        </field>
     </record>
</odoo>