How the DGT's position has evolved
Current position
In sales with deferred payment, the capital gain or loss is imputed at the time of delivery of the asset, although the taxpayer may opt for proportional imputation based on the collectability of payments if the term exceeds one year. In transfers with a variable price, the installment sale regime does not apply; instead, it is treated as a single transaction whose price depends on future and uncertain events.
The DGT's position remains constant regarding the power of proportional imputation of income in installment sales, provided the term exceeds one year. No changes are observed in this criterion throughout the analyzed rulings, maintaining the option of imputation according to the collectability of payments.
Turning points
-
Clarifies that a transfer with a variable price does not constitute an installment sale, but rather a single transaction subject to future and uncertain events.
Analysis based on 8 of 9 rulings with a stated position. Updated 29 September 2026.