# NFE-886

Source: https://xmlvalid.com/rules/NFE-886

> Rejeição: GTIN da unidade tributável informado, mas não informado o GTIN [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: `$eanTrib = ('SEM GTIN', '') or not($ean = ('SEM GTIN', ''))`

In English: The item has a GTIN of the taxable unit (cEANTrib) but cEAN is "SEM GTIN" or empty.

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