NFE-401
Rejeição: CPF do emitente inválido (…).
In English The issuer's CPF is zeros, one digit repeated or has wrong check digits.
error: the document is invalid
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.
Context
nfe:infNFe
Test
not($emit/nfe:CPF) or br:cpf($emit/nfe:CPF)
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol