How the DGT's position has evolved
Current position
In mergers under the special regime, the absorbing entity may offset the negative tax bases of the transferor in accordance with article 84 of the Corporate Income Tax Law (LIS). The limits of article 26 of the LIS must be respected, including the 70% cap of the tax base and the 1 million euro limit. The limitation of article 26.4 of the LIS remains for bases generated prior to the acquisition, but does not affect those generated subsequently.
The DGT's position remains stable regarding the possibility of offsetting negative tax bases in mergers under the special regime. The evolution focuses on technical precision regarding the application of compensation limits and the subrogation of rights. The most recent rulings clarify the application of the article 26.4 LIS limitation regarding the timing of the acquisition.
Turning points
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Specifies that negative tax bases shall not be offset if they have motivated the depreciation of the holding to avoid double compensation.
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Establishes that the article 26.4 LIS limitation remains for bases generated before the acquisition, but does not affect those generated subsequently.
Analysis based on 15 of 15 rulings with a stated position. Updated 26 September 2026.