Article 3
1. The Kingdom of Spain shall take all necessary measures to recover, from the beneficiary, aid which is incompatible with the common market as referred to in Article 2 and unlawfully made available. 2. Recovery shall take place immediately in accordance with the procedures of national law, provided that they permit the immediate, effective implementation of this Decision. The aid recovered shall include interest compounded from the date on which the aid is made available to the beneficiary until the date of recovery. The interest shall be calculated on the basis of the reference rate used to calculate the grant equivalent in the framework of regional aid.