How the DGT's position has evolved
Current position
The application of special pro-rata is governed by the existence of differentiated sectors or the coexistence of taxable and exempt operations. If differentiated sectors exist, a separate deduction regime is applied to each one. In the absence of sectors, the general or special pro-rata is applied according to legal scenarios. The option for special pro-rata requires a minimum validity of three calendar years.
The DGT's position remains stable regarding the application mechanics of pro-rata and the distinction of differentiated sectors. However, a significant change is observed regarding the nature of the application of special pro-rata, moving from being considered mandatory and without a permanence period in 2014, to being an option with a minimum validity of three years in 2024.
Turning points
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Establishes that special pro-rata is an option with a minimum validity of three calendar years, contradicting the 2014 interpretation which indicated that the permanence period did not apply.
Analysis based on 32 of 33 rulings with a stated position. Updated 24 September 2026.