product_price_field_config.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  product_multi_price for OpenERP
  Copyright (C) 2011 Akretion Sébastien BEAU <sebastien.beau@akretion.com>
  The licence is in the file __openerp__.py
-->

<openerp>
    <data noupdate="1">
    
        <!-- Add the initial price list_price in the list of fields -->

        <record id="product_multi_price_original_sale_price" model="product.price.fields">
            <field name="field_name">list_price</field>
            <field name="sequence">0</field>
            <field name="default_basedon">manual</field>
        </record>

    </data>
</openerp>