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NFE-508

Rejeição: CST incompatível na operação com Não Contribuinte [nItem: …] (CST …).

In English A sale to a non-contributor (indIEDest 9) has an ICMS CST outside 00, 02, 20, 40, 41, 50, 60 and 61 (51, 10 and 30 only in the cases the rule lists; new vehicles excepted).

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.

SEFAZ authorisation rules of NF-e 4.00 MOC 7.0 Anexo I, NTs up to 2026.010
Context
nfe:infNFe/nfe:det
Test
not($indIEDest = '9' and $tpNF = '1' and $cst) or ../nfe:det/nfe:prod/nfe:veicProd or $cst = ('00', '20', '40', '41', '60', '61', '02', '50') or ($cst = '51' and ($fin = '4' or $idDest = '1' or $cfop = ('5123', '5922', '6123', '6922'))) or ($cst = '10' and $idDest = '1') or ($cst = '30' and $idDest = '2' and $comb)

Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol