# VF-2008

Source: https://xmlvalid.com/rules/VF-2008

> El valor de la huella del registro anterior debe ser diferente a la huella del registro actual.

- Level: warning
- Rule sets: VERI*FACTU checks of the AEAT Validaciones 1.2.2 (8 April 2026)
- Context: `/*:RegFactuSistemaFacturacion/*:RegistroFactura/*/*:Encadenamiento/*:RegistroAnterior`
- Test: `$previous != normalize-space(../../*:Huella)`

In English: The previous record's fingerprint is the same as this record's own: the chain points at itself. The record is accepted with errors to correct.

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