Due to the increase in the costs of external financing for investment in primary residences derived from the increase in interest rates (not applicable in 2020)
Regulations: Art. 10 Text Consolidated legal provisions of the Community of Madrid on taxes transferred by the State, approved by Legislative Decree 1/2010, of October 21.
Note: In the 2020 financial year, this deduction is not applicable, given that the deduction percentage is negative.