# VF-1206

Source: https://xmlvalid.com/rules/VF-1206

> Si ClaveRegimen es 11 TipoImpositivo ha de ser 21%.

- Level: error
- Rule sets: VERI*FACTU checks of the AEAT Validaciones 1.2.2 (8 April 2026)
- Context: `/*:RegFactuSistemaFacturacion/*:RegistroFactura/*:RegistroAlta/*:Desglose/*:DetalleDesglose`
- Test: `not($vat and $key = '11' and *:TipoImpositivo) or $rate = 21`

In English: With regime 11 (renting business premises), the VAT rate must be 21 %.

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