NFE-382
The rule sets below word this rule differently; each wording is shown with its rule set.
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.
Rejeição: CFOP não permitido para o CST informado [nItem: …] (CST …, CFOP …).
nfe:infNFe/nfe:det
not($simple and $cst = ('00', '20', '40', '41', '90')) or $cfop = ('5101', '5102', '5103', '5104', '5115', '5910') or ($emitUF = 'RS' and $cst = '90' and $cfop = '5949') or ($emitUF = 'CE' and $cst = '90' and $cfop = '5405') or ($emitUF = 'SP' and $cst = '40' and $cfop = '5949')
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol
Rejeição: CFOP não permitido para o CST informado [nItem: …] (CST 60, CFOP …).
nfe:infNFe/nfe:det
not($simple and $cst = '60') or $cfop = ('5405', '5656', '5667', '5910')
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol