How the DGT's position has evolved
Current position
To apply the minimum for ascendants, they must be over 65 years of age or have a disability equal to or greater than 33%, cohabit with the taxpayer for at least half of the tax period, and not have annual income exceeding 8,000 euros (excluding exempt income). Likewise, the ascendant must not file an IRPF (Personal Income Tax) return with income exceeding 1,800 euros. Compliance with the minimum for ascendants is a prerequisite for applying the deduction for the ascendant's disability.
The DGT's position remains stable regarding its core requirements of age, cohabitation, and the 8,000 euro income limit. The evolution shows greater technical precision by integrating the requirement of not filing a tax return with income exceeding 1,800 euros and the necessary link between the minimum for ascendants and the disability deduction.
Turning points
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Introduces the requirement that the ascendant must not file an IRPF return with income exceeding 1,800 euros.
Analysis based on 50 of 61 rulings with a stated position. Updated 18 September 2026.