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A company sought guidance on how to justify and when to amend the taxable base due to discounts or returns, as well as the reporting deadlines within the SII. The DGT clarifies that credit notes must be used and the established information supply deadlines must be met.
Cuestión planteada Modificación de la base imponible: documentos justificativos y momento de efectuar la modificación. Suministro Inmediato de Información: plazo de remisión de la información
Para modificar la base imponible por descuentos posteriores o resolución de operaciones, es obligatorio expedir una factura rectificativa. No se pueden usar documentos de uso interno como 'documentos de cargo' salvo autorización de la AEAT. En el sistema SII, las facturas rectificativas expedidas deben suministrarse en un plazo de cuatro días naturales desde su expedición. El retraso en este suministro constituye una infracción tributaria.
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