NFE-530
Rejeição: Operação com tributação de ISSQN sem informar a Inscrição Municipal [nItem: …].
In English An item taxed by ISSQN needs the issuer's municipal registration (emit/IM).
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
not(nfe:imposto/nfe:ISSQN) or normalize-space(../nfe:emit/nfe:IM)
Checked with NF-e 4.00, NF-e 4.00 with authorisation protocol