NFE-748
Rejeição: NF-e sem grupo da COFINS [nItem: …].
In English An item has no COFINS group (credit and debit notes and government purchase payments excepted).
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
$ibsOnly or nfe:imposto/nfe:COFINS
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol