pms/hotel/views/inherit_account_invoice_views.xml

<?xml version="1.0"?>
<odoo>

    <record id="invoice_form" model="ir.ui.view">
        <field name="model">account.invoice</field>
        <field name="inherit_id" ref="account.invoice_form" />
        <field name="arch" type="xml">
            <xpath expr="//header" position="after">
                 <div class="alert alert-danger" role="alert" style="margin-bottom:0px;"
                 attrs="{'invisible': [('dif_customer_payment','=',False)]}">
                     You have payments on the related folio associated with other customers than the current one on the invoice.
                     Make sure to <bold><button class="alert-link" type="object" name="action_folio_payments" string="modify the payment"/></bold> from the folio if necessary before paying this invoice
                </div>
                <field name="dif_customer_payment" invisible="1" />
                <field name="from_folio" invisible="1" />
            </xpath>
            <xpath expr="//field[@name='date_invoice']" position="after">
                 <field name="folio_ids" widget="many2many_tags"/>
            </xpath>
            <xpath expr="//button[@name='%(account.action_account_invoice_payment)d']" position="attributes">
                 <attribute name="attrs">{'invisible': ['|',('from_folio','=',True)]}</attribute>
            </xpath>
        </field>
    </record>

</odoo>