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A taxpayer inquired whether they could file supplementary tax returns for the 2018 to 2021 financial years on a joint basis following the receipt of maternity arrears. The Directorate General for Taxes (DGT) ruled that this is not possible, as being unaware that the joint filing option would have been more beneficial does not constitute a substantial change in circumstances.
Cuestión planteada Si puede presentar las declaraciones complementarias de dichos ejercicios -2018 a 2021-, de forma conjunta, dado que la opción conjunta beneficiaría económicamente a su unidad familiar.
La opción por la tributación conjunta o individual es irrevocable una vez finalizado el plazo de presentación. Solo se permite cambiar la opción si se produce una modificación sustancial de las circunstancias que no sea imputable al contribuyente. El desconocimiento de que la opción conjunta resultaba más beneficiosa no supone un vicio de la voluntad ni una circunstancia sobrevenida que permita rectificar la opción inicial.
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