How the DGT's position has evolved
Current position
For the exemption due to reinvestment in construction, the entire amount obtained from the sale must be applied within a period of two years (either before or after the transfer). Additionally, the construction must be completed within a maximum period of four years from the start of the investment, except for extensions due to exceptional circumstances. The calculation of this second period begins from the first payment made.
The DGT's position remains stable regarding the two-year period for reinvestment. Clarifications regarding the suspension of periods due to the COVID-19 situation have been integrated, and the double condition for construction has been consolidated, which requires the works to be completed within a maximum of four years from the start of the investment.
Turning points
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Introduces the suspension of the calculation of the two-year period due to the COVID-19 situation, from March 14 to May 30, 2020.
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Establishes the double condition for construction: reinvest within two years and complete the works within a period not exceeding four years from the start of the investment.
Analysis based on 53 of 54 rulings with a stated position. Updated 18 September 2026.