stock-rma/rma_account/views/rma_operation_view.xml

<?xml version="1.0" ?>
<odoo>
    <record id="rma_operation_tree" model="ir.ui.view">
        <field name="name">rma.operation.tree</field>
        <field name="model">rma.operation</field>
        <field name="inherit_id" ref="rma.rma_operation_tree" />
        <field name="arch" type="xml">
            <field name="name" position="after">
                <field name="refund_policy" />
            </field>
        </field>
    </record>

    <record id="rma_operation_form" model="ir.ui.view">
        <field name="name">rma.operation.form</field>
        <field name="model">rma.operation</field>
        <field name="inherit_id" ref="rma.rma_operation_form" />
        <field name="arch" type="xml">
            <field name="receipt_policy" position="before">
                <field name="refund_policy" />
                <field name="valid_refund_journal_ids" invisible="1" />
                <field name="refund_journal_id" />
            </field>
        </field>
    </record>
</odoo>