# NFE-547

Source: https://xmlvalid.com/rules/NFE-547

> Rejeição: Chave de Acesso referenciada com Dígito Verificador inválido [nOcor: …] (…).

- 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/nfe:ide/nfe:NFref/nfe:refNFe`
- Test: `br:keydv($k)`

> Rejeição: Chave de Acesso referenciada com Dígito Verificador inválido [nOcor: …] (CT-e …).

- 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/nfe:ide/nfe:NFref/nfe:refCTe`
- Test: `br:keydv($k)`

In English: A referenced NF-e or CT-e key has a wrong check digit.

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