NFE-793
Rejeição: Valor do ICMS relativo ao Fundo de Combate à Pobreza na UF de destino difere do calculado [nItem: …] (vFCPUFDest …).
In English vFCPUFDest is not vBCFCPUFDest × pFCPUFDest (R$ 0.01 tolerance).
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
not($dif/nfe:vFCPUFDest) or br:product($dif/nfe:vFCPUFDest, br:dec($dif/nfe:vBCFCPUFDest) * br:dec($dif/nfe:pFCPUFDest) div 100)
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol