NFE-708
Rejeição: NFC-e ou NF-e com DANFE Simplificado Tipo 2 não pode referenciar documento fiscal.
In English An NF-e with the DANFE Simplificado Tipo 2 cannot reference documents.
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($simple and ($refs or $itemRefs/nfe:chaveAcesso))
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol