# NFE-1209

Source: https://xmlvalid.com/rules/NFE-1209

> Rejeição: DFe referenciado em operação com ente governamental com Modelo inválido [nOcor: …] (modelo …).

- 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:ide/nfe:gCompraGov/nfe:refDFeAnt`
- Test: `substring($k, 21, 2) = '55'`

In English: A previous document of a government purchase must be an NF-e model 55.

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