How to avoid double taxation in Spain?｜Persons who are residents of a country with which Spain has signed an agreement to avoid double taxation that contemplates specific provisions in relation to assets (some agreements only deal with income), and prove that they have the right to apply it, they may apply said provisions, and it may result that a certain ...

Could you elaborate on how individuals residing in Spain can effectively evade double taxation? If Spain has signed treaties with certain countries to prevent double taxation, especially those treaties addressing asset-related matters rather than solely income, how can a resident demonstrate their entitlement to benefit from these provisions? And ultimately, how does this potentially translate into a reduction or elimination of double taxation for affected individuals?