How the DGT's position has evolved
Current position
The tax neutrality regime in mergers requires that the operation has valid economic motives and does not have a tax advantage as its main objective. In cases of credit rights against the Administration, the deferral under DT 41.2.c) of the LIS (Corporate Income Tax Law) is possible if the remainder of the quota is reinvested within the legal period, allowing the credit to be reinvested once it becomes effective. In SICAV mergers, the transfer of shares is not assimilated to the deferral by reinvestment under DT 41ª of the LIS.
The DGT's position remains constant in requiring economic motives against the abuse of tax advantage. The reinvestment periods for credit rights against the Administration have been specified, and the inapplicability of deferral by reinvestment in transfers derived from SICAV mergers has been delimited.
Turning points
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Establishes that if the tax advantage is preponderant over economic motives, article 89.2 of the LIS is applied to eliminate the effects of the deferral.
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Clarifies that the transfer of shares in funds following SICAV mergers is not assimilated to the regime of the 41st transitional provision of the LIS.
Analysis based on 16 of 16 rulings with a stated position. Updated 26 September 2026.