CFDI40172
El nodo hijo Impuestos del nodo Concepto, no debe existir (ObjetoImp …).
In English A line with ObjetoImp 01, 03, 04 or 05 (not subject to tax, or not broken down) must not have Impuestos.
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
cfdi:Conceptos/cfdi:Concepto
Test
not(@ObjetoImp = ('01', '03', '04', '05') and $imp)
Checked with CFDI 4.0