How the DGT's position has evolved
Current position
In joint account contracts, the manager is the owner of the business and the participant's contributions become part of their assets. The participant is taxed on returns on movable capital, calculated as the difference between what was received and what was contributed, while the manager deducts these returns as an expense or business income. The results are assimilated into financial income or expenses for the application of the deductibility limitation under Article 16 of the Law on Corporate Income Tax (LIS).
The DGT's position on the joint account contract remains constant, reaffirming the nature of the returns for both the participant and the manager. It has been specified that the results must be integrated into the limitation on the deductibility of financial expenses under Article 16 of the LIS. No changes in criterion are observed, but rather a consolidation of the tax classification of the operation.
Turning points
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Establishes that the contract results are assimilated into financial income or expenses for the application of the deductibility limitation under Article 16 of the LIS.
Analysis based on 16 of 17 rulings with a stated position. Updated 25 September 2026.