How the DGT's position has evolved
Current position
For the application of the tax group regime, the dominant entity must exercise effective control through a holding of more than 50% of the capital or voting rights. Dependent entities subject to a different tax rate than that of the representative entity cannot be integrated into the group. Control may derive from the transfer of voting rights if this guarantees financial control and economic and organizational links exist.
The DGT's position remains stable regarding the definition of control and participation requirements for the formation of tax groups. The doctrine has moved from focusing on the structure of participation and voting rights to specifying the exclusion of entities with differentiated tax regimes. No doctrinal shifts are observed, but rather an application of the requirements for control and homogeneity of the tax rate.
Turning points
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Specifies that effective control may derive from the transfer of voting rights if financial control is guaranteed and economic and organizational links exist.
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Establishes the exclusion of dependent entities that are taxed at a different rate than that of the representative entity.
Analysis based on 37 of 41 rulings with a stated position. Updated 16 September 2026.