How the DGT's position has evolved
Current position
The replacement of a loan does not exhaust the right to deduction if the new credit is used to amortize the previous one. If the cancellation and the signing of the new contract occur in a single act, the installments, interest, and cancellation expenses are deductible. Likewise, the appraisal, notary, and registry expenses derived from the new operation are also deductible. The portion of the new principal intended for purposes other than the acquisition of the dwelling is not deductible.
The DGT's position remains constant at the core of the criterion: novation or replacement does not extinguish the right to deduction. Throughout the rulings, it has been specified that simultaneity in the act of cancellation and signing is key to the deductibility of expenses. The most recent rulings expand deductibility to explicitly include the appraisal, notary, and registry expenses of the new operation.
Turning points
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It is explicitly established that the appraisal, notary, and registry expenses of the new operation are also deductible.
Analysis based on 10 of 11 rulings with a stated position. Updated 27 September 2026.