# NFE-856

Source: https://xmlvalid.com/rules/NFE-856

> Rejeição: Campo valor de partida não preenchido para produto GLP [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($glp) or $comb/nfe:vPart`

In English: An LPG item needs the starting value (vPart).

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