# NFE-530

Source: https://xmlvalid.com/rules/NFE-530

> Rejeição: Operação com tributação de ISSQN sem informar a Inscrição Municipal [nItem: …].

- Level: error
- Rule sets: 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(nfe:imposto/nfe:ISSQN) or normalize-space(../nfe:emit/nfe:IM)`

In English: An item taxed by ISSQN needs the issuer's municipal registration (emit/IM).

Validate a document against these rules: https://xmlvalid.com/validate