Spain is moving ahead with legislation designed to strengthen tax oversight of cryptocurrency holdings, aligning its domestic rules with the European Union’s Directive on Administrative Cooperation for Crypto-Asset Tax Transparency, known as DAC8. According to local reports, the government has introduced a draft law that would require virtual asset service providers to report users’ transaction activity and asset holdings to authorities.
Under the DAC8 framework, Spain’s tax agency would not only receive data from domestic platforms, but also information on Spanish residents holding accounts at exchanges based in the European Union and in third countries that have signed agreements with the EU. In practice, this would expand the tax authority’s visibility into cross-border crypto ownership. The directive is built around annual information exchanges covering both crypto transactions and holdings, an approach intended to improve tax compliance in a sector long viewed as difficult to monitor.
From reporting requirements to enforcement powers
One of the most significant elements of the draft is its enforcement component. The proposal would allow the Spanish tax agency to seize cryptocurrency holdings and other digital assets from users with outstanding tax debts. Until now, tax collection tools in this context were largely focused on funds held within traditional banking institutions. Extending those powers to digital assets marks a notable shift in how crypto is being integrated into mainstream tax enforcement.
The report also noted that cryptocurrency attorney Cris Carrascosa participated in drafting the project. She argued that public-private cooperation is essential when regulating fast-changing and highly technical areas such as financial innovation, saying that such collaboration helps produce laws that are fair, sensible, and effective.
Timeline points to January 2026 implementation
DAC8 is expected to be enforced across Europe in January 2026. The EU’s Taxation and Customs Union has estimated that the tighter reporting regime could generate more than 2.4 billion euros in tax revenue. It also expects the first exchanges of data tied to the 2026 reporting year to take place by September 30, 2027. For exchanges, custodial platforms, and crypto investors, Spain’s latest move signals that tax transparency rules in Europe are entering a more operational and enforceable phase.