How the DGT's position has evolved
Current position
Income from economic activity is attributed to the person who carries out the habitual, personal, and direct management of the means of production. In the event of common ownership of assets, capital gains or losses from the transfer of fixed assets are attributed to the legal owner or split in half if ownership is shared. Common elements are considered fully allocated to the activity, even if one of the spouses does not carry out the activity.
The DGT's position remains constant in classifying concepts such as loss of profits or subsidies as income from economic activity. The doctrine has specified the attribution of income and capital gains in cases of shared ownership or the allocation of common assets. No changes in criteria are observed, but rather a coherent application of the regulations to different scenarios.
Turning points
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Establishes that the exploitation of patents by independent researchers constitutes income from economic activity.
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Determines that subsidies for the development of economic activity are income from economic activity.
Analysis based on 13 of 14 rulings with a stated position. Updated 26 September 2026.