The Spanish Treasury is pushing forward a tax reform proposal that would allow the Agencia Tributaria, the national tax watchdog, to seize taxpayers' cryptocurrency assets to settle tax debts. The proposal, first presented to the European Union in 2021, is reportedly close to implementation as the government moves swiftly to establish the necessary conditions.
Electronic Money Entities as Tax Collection Agents
Under the proposed reform, the Spanish government has issued a royal decree designating electronic money entities as tax collection agents. This means that these entities must execute seizures of customers' digital money and crypto assets upon government request—a duty previously required only of traditional banks and credit institutions. The measure broadens the tax authority's reach into the digital asset space, enabling more effective debt recovery.
New Tax Declaration Requirements for Overseas Crypto Holdings
For the first time this year, Spanish taxpayers must declare cryptocurrency assets held outside the country. Data from crypto tax statements collected since 2021 will also be used to recover tax debts. This change provides the tax authority with crucial asset information to enforce seizure measures. However, the rapid introduction of these regulations will challenge Spanish regulators, who must modify existing definitions and adapt to the new tax framework, which may conflict with EU-wide rules such as the Markets in Crypto-Assets (MiCA) regulation.
Compatibility Challenges with EU MiCA Framework
MiCA defines cryptocurrency differently, and the general EU tax directive is scheduled for application in 2026. Spain's domestic reform, if quickly enacted, may require further adjustments to align with EU standards, potentially creating legal friction and enforcement hurdles. Industry observers note that while Spain's proactive approach could serve as a model for other EU member states, it underscores the complexities of coordinating digital asset regulation across different jurisdictions.
Overall, the Spanish Treasury's tax reform represents a significant escalation in government oversight of cryptocurrencies, aiming to strengthen tax enforcement through legal tools while aligning with the EU’s increasingly stringent digital finance compliance requirements. The final version of the policy and detailed implementation rules are expected in the coming months.

