How the DGT's position has evolved
Current position
To apply the deduction for investment in a primary residence under the transitional regime, the investment in the new residence must exceed the sum of the amounts invested in previous residences that were subject to effective deduction and the capital gains exempt due to reinvestment. A proportionality criterion is not permitted to initiate the deduction. If the taxpayer already met the requirements in previous tax years, they must resort to the rectification of tax returns or the refund of undue payments.
The DGT's position remains constant in its interpretation of the transitional regime. Throughout the rulings, it has been reiterated that the deduction only begins when the amounts invested in the new residence exceed the sum of those invested in previous residences subject to deduction and the gains exempt due to reinvestment. No doctrinal change is observed, but rather a systematic confirmation of the requirement to exceed the previous amounts.
Turning points
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Clarifies that a proportionality criterion is not admissible, requiring that the investment strictly exceeds the sum of the previous amounts and the exempt gains.
Analysis based on 10 of 10 rulings with a stated position. Updated 28 September 2026.