How the DGT's position has evolved
Current position
The creation of original literary texts is subject to but exempt from IVA (Value Added Tax). Income from the assignment of exploitation rights is classified as income from employment, unless there is an organization of production means or human resources that converts them into income from economic activities. The 30% reduction for irregular income is not applicable if the requirements of generation exceeding two years or the nature of the irregularity according to the Regulation are not met.
The DGT's position remains constant regarding the classification of income, differentiating between employment and economic activity based on the structure of the means employed. The cases of IVA exemption for derivative works have been specified, and the requirements for the application of reductions for irregularity and the imputation of advances have been delimited.
Turning points
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Establishes that the IVA exemption is personal to the author and does not extend to assignments made by heirs, except in cases of contractual subrogation.
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Specifies that the revision of a work may be exempt from IVA if the professional acts as the author of a derivative work with a personal contribution.
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Clarifies that the reduction for irregular income does not apply to adaptation contracts if the generation period exceeding two years is not met.
Analysis based on 34 of 35 rulings with a stated position. Updated 23 September 2026.