Spain model 720 & 721: the reporting trap for expats
Models 720 and 721 are reporting obligations, not optional paperwork. If you become a Spanish tax resident with foreign assets or crypto, you need to know where they apply and where they do not.
Many expats discover these forms too late because they focus on income tax and overlook asset reporting. Spain works with separate layers of compliance, and foreign holdings remain highly visible on the risk map.
The basic split
- Model 720 concerns certain categories of assets held abroad
- Model 721 concerns cryptoassets held outside Spain in relevant situations
They are not interchangeable, and not every resident needs both.
Why this matters for mobile Europeans
If you keep bank accounts, insurance wrappers, property or crypto outside Spain, your relocation does not erase those links. Instead, Spanish reporting may add a new layer on top of what already exists in your original country.
Practical takeaway
Treat foreign-asset reporting as part of the move itself. Waiting until the next tax season is exactly how many people lose control of the timeline.