NFE-483
Rejeição: Valor do desconto maior que valor do produto [nItem: …] (vDesc …, vProd …).
In English The item's discount (vDesc) is greater than vProd.
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.
nfe:infNFe/nfe:det
br:dec($prod/nfe:vDesc) le br:dec($prod/nfe:vProd)
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol