How the DGT's position has evolved
Current position
Absorption may qualify for the special regime if carried out within the commercial sphere according to Royal Decree-Law 5/2023 and complies with Article 76.1 of the LIS (Corporate Income Tax Law). The operation must respond to valid economic reasons, such as the restructuring or rationalization of activities, and must not have the primary objective of fraud, evasion, or the mere obtaining of a tax advantage. In improper mergers with a minimum participation of 5%, the income from the cancellation of the participation is not integrated.
The DGT's position has remained constant over time, focused on the requirement of valid economic reasons and the absence of purely tax-driven purposes. Throughout the rulings, the validity of the existence of negative tax bases has been maintained, and various acceptable economic reasons have been enumerated. The evolution is merely regulatory, adapting to changes in commercial legislation and Corporate Income Tax (IS).
Turning points
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Specifies that in non-monetary contributions, the contributing entity must maintain a participation of at least 5% in the equity of the recipient.
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Updates the commercial framework to Royal Decree-Law 5/2023 and clarifies that in improper mergers with a 5% participation, no income is integrated from the cancellation of the participation.
Analysis based on 25 of 26 rulings with a stated position. Updated 24 September 2026.