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Form 100. Personal Income Tax Declaration 2018

10.5.24 For leases at prices with social sustainability, lessor

Taxpayers who obtain income from real estate capital by leasing housing, when its destination is the tenant's habitual residence, may deduct 10 percent of said income as long as it corresponds to rentals paid at prices with social sustainability.

Note: This deduction is not applicable to taxpayers who died before December 5, 2018.


- The annualized income may not exceed 30 percent of the tenant's tax base for personal income tax purposes.

- The annualized income derived from the return of the real estate capital by the tenant may not exceed 10 percent of the cadastral value of the property.

- That the tenant has not obtained income exceeding 24,000 euros.

- That the tenant or subtenant of the real property or the real right that rests on it is not the spouse or a relative of the taxpayer, including relatives, up to the third degree inclusive.

- That the lessor is up to date with its tax obligations and indicates in its personal income tax returns the lessee and the cadastral reference number of the leased property.


You must complete in Annex B8 the NIF of the lessor or lessors, the cadastral reference of the property, and the amounts paid for the lease. The program will transfer this data from the aforementioned annex to the deduction box.