What is the Tax on Constructions, Installations and Works or ICIO?

The Tax on Constructions, Installations and Works (ICIO) is a municipal tax levied on the realization of any construction, installation or work for which the obtaining of a building or urban planning license or the presentation of a responsible declaration or prior communication is required, with regardless of whether it has been obtained or not.

It is an optional tax, that is, not all municipalities require it, only those that have approved the corresponding tax ordinance.

How is the Tax on Constructions, Installations and Works calculated?

The Tax on Constructions, Installations and Works is accrued at the beginning of the construction, installation or work. At this time, the competent City Council issues the corresponding provisional liquidation, unless, by means of a fiscal ordinance, the self-liquidation regime is foreseen. In the latter case, it is the taxpayer who must present the corresponding self-assessment.

The tax base of the provisional assessment can be calculated in various ways. It is quite usual that it is calculated taking into consideration the data contained in the project or budget presented by the interested parties in order to request the corresponding license. However, the tax ordinance may provide for its quantification based on the indices or modules established therein.

Once the construction, installation or work is completed, the City Council can initiate a verification or inspection procedure in order to carry out the final settlement.

Said settlement is usually issued taking into consideration the real and effective cost, without, as the Courts have determined, items that were not included in the provisional settlement may be included in this settlement.

We carry out the verification of the parameters that influence the correct determination of the tax. Likewise, we manage the processing of the inspection procedures and / or the appeals filed against them.

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