The Spanish Treasury is accelerating a tax reform proposal that would amend current legislation to allow the Agencia Tributaria, the country's tax watchdog, to seize cryptocurrency assets from taxpayers to settle tax debts. According to local sources, the proposal, initially submitted to the European Union in 2021, is now moving toward implementation as the government enacts supporting administrative measures.
Electronic Money Entities Become Tax Collection Agents
A royal decree issued by the Spanish government has officially designated electronic money entities as tax collection agents. Previously, only traditional banks and credit institutions held such responsibilities. This means these entities must execute seizures of clients' digital money and crypto assets when required by the tax authority. The move significantly expands the government's reach in recovering tax debts, bringing cryptocurrency holders directly into the collection framework.
Mandatory Declaration of Overseas Crypto Holdings
Starting in 2024, Spanish taxpayers will be required to declare, for the first time, cryptocurrency assets held outside the country. This data will be instrumental for enforcing the new regulation, helping tax authorities locate and seize relevant assets. Additionally, information obtained from crypto tax declarations since 2021 will be used to pursue outstanding tax liabilities. Spain is building a comprehensive regulatory loop for cryptocurrency taxation through multiple coordinated measures.
Potential Clashes with EU Regulatory Frameworks
Despite the swift pace of reform, Spanish regulators face significant challenges. The new domestic tax definitions and rules may conflict with the EU's Markets in Crypto-Assets (MiCA) regulation. MiCA defines cryptocurrencies differently, and the EU's unified tax directive, scheduled for implementation in 2026, is not fully compatible with Spain's current proposal. Reconciling national law with the EU framework will be a key task for the Spanish Treasury moving forward.
Overall, Spain is embracing cryptocurrency regulation with the aim of maximizing tax collection efficiency. However, hastily enacted legislation may introduce legal applicability risks, and market participants should closely monitor subsequent amendments.

