payment_view.xml

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

    <record model="ir.ui.view" id="exchange_rate_account_payment_form">
        <field name="name">exchange.rate.payment.form</field>
        <field name="model">account.payment</field>
        <field name="inherit_id" ref="account.view_account_payment_form"/>
        <field name="arch" type="xml">
		<field name="date" position="before">
			<field name="display_exchange_rate" 
				invisible="1"/>
			<field name="exchange_rate" 
				attrs="{'invisible': [('display_exchange_rate','=',False)]}"
				/>
			<field name="converted_amount" 
				attrs="{'invisible': [('display_exchange_rate','=',False)]}"
				/>
		</field>
	</field>
    </record>

</odoo>