# VF-1143

Source: https://xmlvalid.com/rules/VF-1143

> Los campos CuotaRepercutida y BaseImponibleOimporteNoSujeto deben tener el mismo signo.

- 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($kind = 'S1' and not(*:BaseImponibleACoste) and $checked) or not(($quota lt 0 and $base gt 0) or ($quota gt 0 and $base lt 0))`

In English: CuotaRepercutida and BaseImponibleOimporteNoSujeto must have the same sign.

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