There are some considerations on the subject that you should know about the type of tax to claim.
The VAT refund may refer to the one imposed on the purchases you request at the airport before leaving the country, this is the simplest claim.
If you live in Spain, there are other amounts on which you can request your refund, but always after your timely payment of the same.
Looking at local cases, after the ruling of the Constitutional Court on the payment of the municipal capital gains, this tax must be refunded to taxpayers who have fulfilled the established deadlines, and have already paid it, without forgetting that this right prescribes after four (4) years from the moment this tax was paid.
Experts say it is profitable to claim amounts higher than 5,000 Euros.
Therefore, after paying the money to the city council, it is time to request the “refund of undue income,” an application that must be addressed to the council along with these requirements:
Proof of payment of the capital gains tax.
Documents confirming the right to a refund (deeds of purchase and sale of the property, appraisals, etc.), in which the economic loss suffered due to the transfer is demonstrated.
The taxpayer must
Provide a means (financial product) to make the refund effective (check, transfer or other) and inform if it has any other debts before the same Administration.
There are other types of tax refunds that are more complex, and you will need the advice of professional to verify if you qualify.
For example, there is one that involves companies in EU territory, and consists on the claim of the amount corresponding to VAT refunds to companies established in the EU. If you wish to request this refund you must submit your application online to the administration of the country where the company is established, which will be sent to the corresponding country if it is correct.