How is the deduction carried out

• The deductions are made including the deductible borne contributions in the self-assessment of the period in which the borne contributions meet all the requirements to be deductible or in the following periods, as long as 4 years do not elapse since the birth of law.

  In the event of declaration of insolvency, the deduction of the contributions borne that were pending deduction prior to said declaration, must be compulsorily exercised in the self-assessment corresponding to the settlement period in which they were made. supported.

  If the aforementioned fees have not been included in the corresponding self-assessment, and provided that the period of 4 years has not elapsed from the birth of the right to deduct said fees, they may be deducted by rectification of the self-assessment relative to the period in which they were supported.

  When the deductions exceed the accrued fees, the excess can be offset in subsequent self-assessments , as long as 4 years have not passed since the presentation of the self-assessment in which said excess arises.

  The taxable person may opt for the refund when appropriate. Once the refund is chosen, it is not possible to compensate it in subsequent self-assessments, regardless of the period in which the refund is made.

• When there is requirement from the Administration or inspection action, only the fees recorded in the Record Books are deductible in the corresponding settlements. Unaccounted installments will be deductible in the self-assessment of the period in which they are accounted for or in the following periods. In both cases, as long as 4 years have not passed since the right to deduction arose.

• The deduction must be made based on the foreseeable destination of the goods and services acquired , being rectified if it is subsequently altered.