How the DGT's position has evolved
Current position
Income derived from economic activities, including the self-publishing of books or the assignment of intellectual property rights within a professional scope, obligates the taxpayer to make installment payments. In the case of community of property assets (comunidades de bienes) carrying out economic activities, each partner must make the installment payment in proportion to their share of the profit. The nature of the activity determines the obligation to make these payments using the direct estimation method.
The DGT's position remains constant in requiring installment payments when income derives from economic activities. The doctrine has clarified the classification of specific activities, such as self-publishing or real estate development, to confirm the payment obligation. No changes in criterion are observed, but rather a repeated application to different factual scenarios.
Turning points
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Establishes that for income obtained through a community of property assets, there is no exception for exemption from installment payments based on previous withholdings.
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Confirms that in communities of property assets with economic activity, each partner must make the installment payment according to their participation.
Analysis based on 58 of 62 rulings with a stated position. Updated 23 September 2026.