How the DGT's position has evolved
Current position
Disability must be proven with a degree equal to or greater than 33% through a certificate or resolution from the competent body of the Autonomous Community regarding disability assessment. Dependency resolutions do not equate to the degree of disability nor do they meet the means of accreditation required by the IRPF (Personal Income Tax) Regulations. For the reduction under article 20.3 of the LIRPF (Personal Income Tax Law), it is required to simultaneously meet the condition of being an active worker and the degree of disability.
The DGT's position remains constant in requiring disability to be proven via the certificate from the competent regional body. It has been systematically reiterated that dependency resolutions are not valid for proving the degree of disability required by the Tax Regulations. The doctrine is uniform in distinguishing the assessment of social services from the assessment of disabilities for tax purposes.
Turning points
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Establishes that the dependency resolution does not equate to the degree of disability nor meets the means of accreditation required by the Regulations.
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Specifies that judicially declared incapacity refers exclusively to the civil legal system and excludes resolutions from social law courts.
Analysis based on 33 of 34 rulings with a stated position. Updated 24 September 2026.