Doctrine by topic · DGT Observatory

Descendant with Disability: DGT doctrinal evolution

How the DGT's position on this topic has evolved, and the rulings it rests on.

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How the DGT's position has evolved

Settled doctrine High confidence 12 rulings · 2015–2024

Current position

The deduction for a descendant with a disability is applied proportionally according to the months in which the requirements of activity and disability are simultaneously met. The activity requirement is understood to be met if the registration occurs on any day of the month. Additionally, it is possible to apply the deduction for a spouse with a disability as long as this does not allow another taxpayer to apply the deductions for a descendant or ascendant.

The DGT's position remains stable regarding the compatibility of deductions and the pro-rating between parents. The evolution focuses on the precision of the activity requirements and the extension of the scenario to the deduction for a spouse with a disability. No fundamental changes are observed, but rather clarifications regarding the simultaneity of requirements and the application of the rule in the international sphere.

Turning points

  1. V2261-20

    Clarifies that the situation assimilated to registration via a Special Agreement for caregivers does not constitute the performance of self-employment or employment activity for the right to the deduction.

  2. V0840-24

    Introduces the possibility of applying the deduction for a spouse with a disability under the condition that this does not generate the right to deductions for a descendant or ascendant.

Analysis based on 11 of 12 rulings with a stated position. Updated 27 September 2026.

Rulings on this topic

12
V2128-18 18 Jul 2018

Family size and disabled child deductions can be applied together

SG de Impuestos sobre la Renta de las Personas Físicas
deducción por familia numerosadescendiente con discapacidadmínimo por descendientescuota diferencialsituación de discapacidad LIRPF — Ley 35/2006 del IRPF art. 58LIRPF — Ley 35/2006 del IRPF art. 59
Affects CompanyExpat · Non-residentIndividual
V2591-16 13 Jun 2016

Family size deduction and special category increase available in IRPF

SG de Impuestos sobre la Renta de las Personas Físicas
deducción en la cuotafamilia numerosacategoría especialcuota diferencialprorrateo LIRPF — Ley 35/2006 del IRPF art. 58LIRPF — Ley 35/2006 del IRPF art. 59
Affects CompanyExpat · Non-residentIndividual

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