If there is a pandora box in government, it is taxation. In the Spanish case, it has not been opened for years, or at least not completely. Now, however, the executive, and specifically the Ministry of Finance, has two commitments on the table that change the situation: tax reform, on the one hand, and a new regional financing model, on the other. Although the two issues are far from being closed, they are part of the Spanish government's to-do list for fiscal matters for 2022.