# NFE-851

Source: https://xmlvalid.com/rules/NFE-851

> Rejeição: Soma do valor das parcelas difere do Valor Líquido da Fatura (parcelas …, vLiq …).

- Level: error
- Rule sets: SEFAZ authorisation rules of NF-e 4.00 MOC 7.0 Anexo I, NTs up to 2026.010
- Context: `nfe:infNFe`
- Test: `not($dups and $fat/nfe:vLiq) or br:sum($dups/nfe:vDup) = br:dec($fat/nfe:vLiq)`

In English: The installments (vDup) do not add up to the invoice's net value (vLiq).

Validate a document against these rules: https://xmlvalid.com/validate