odoo16/addons/l10n_in_sale/views/sale_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="view_order_form_inherit_l10n_in_sale" model="ir.ui.view">
        <field name="name">sale.order.form.inherit.l10n.in.sale</field>
        <field name="model">sale.order</field>
        <field name="inherit_id" ref="sale.view_order_form"/>
        <field name="arch" type="xml">
            <xpath expr="//field[@name='partner_id']" position="after">
                <field name="country_code" invisible="1"/>
                <field name="l10n_in_reseller_partner_id" groups="l10n_in.group_l10n_in_reseller"
                    attrs="{'invisible': [('country_code','!=', 'IN')]}"/>
                <field name="l10n_in_gst_treatment"
                    attrs="{'invisible':[('country_code','!=','IN')],'required':[('country_code','=','IN')]}"/>
            </xpath>
            <xpath expr="//group[@name='sale_info']//field[@name='invoice_status']" position="after">
                <field name="l10n_in_journal_id" domain="[('company_id', '=', company_id), ('type','=','sale')]" options="{'no_create': True}" attrs="{'invisible': [('country_code','!=', 'IN')]}"/>
            </xpath>
        </field>
    </record>
</odoo>