SDI-00429
2.2.2.2 <Natura> non presente a fronte di 2.2.2.1 <AliquotaIVA> pari a zero
In English A summary (2.2.2) with a zero VAT rate has no Natura.
error: the document is invalid
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
Context
/p:FatturaElettronica/FatturaElettronicaBody/DatiBeniServizi/DatiRiepilogo
Test
$rate != 0 or Natura
Checked with FatturaPA 1.2.3