NFE-902
Rejeição: Valor Liquido da Fatura difere do Valor Original menos o Valor do Desconto (vLiq …, vOrig …, vDesc …).
In English The invoice's net value (vLiq) is not vOrig minus vDesc.
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
not($fat/nfe:vLiq and $fat/nfe:vOrig) or br:dec($fat/nfe:vLiq) = br:dec($fat/nfe:vOrig) - br:dec($fat/nfe:vDesc)
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol