odoo16/addons/sale_expense/data/sale_expense_data.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data noupdate="1">

        <record id="hr_expense.expense_product_meal" model="product.product">
            <field name="expense_policy">sales_price</field>
        </record>

        <record id="hr_expense.expense_product_mileage" model="product.product">
            <field name="invoice_policy">delivery</field>
            <field name="expense_policy">sales_price</field>
        </record>

        <record id="hr_expense.expense_product_travel_accommodation" model="product.product">
            <field name="invoice_policy">delivery</field>
            <field name="expense_policy">cost</field>
        </record>

        <record id="hr_expense.expense_product_communication" model="product.product">
            <field name="expense_policy">cost</field>
        </record>

    </data>
</odoo>