l10n_it_fatturapa_out/data/l10n_it_fatturapa_out_data.xml
<?xml version="1.0" encoding="utf-8"?>
<openerp>
<data noupdate="1">
<record forcecreate="True" id="decimal_unit_price_xmlpa" model="decimal.precision">
<field name="name">Product Price for XML e-invoices</field>
<field name="digits">5</field>
</record>
</data>
</openerp>