How the DGT's position has evolved
Current position
Income derived from judicial rulings, such as litigation wages, pensions, or back pay, is imputed to the tax period in which the judgment becomes final. In the case of back pay with a generation period exceeding two years, the 30% reduction from Article 18.2 of the IRPF Law (Personal Income Tax Law) is applicable. Withholding tax is applied to the total amount of the remuneration paid or credited.
The DGT's position remains constant regarding the imputation of income at the moment the judgment becomes final. The doctrine has specified the application of the reduction for generation periods exceeding two years across various concepts such as pensions or salary supplements. No changes in the imputation criterion are observed, but rather a systematic application to different types of income.
Turning points
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Establishes that back pay is imputed to the period in which it was due if the delay is due to justified circumstances not attributable to the taxpayer, differentiating from the general rule of finality.
Analysis based on 14 of 14 rulings with a stated position. Updated 26 September 2026.