Finland Becomes 21st Nation to Join Special Tribunal on Russian Aggression, Set to Launch by 2026

Finland Joins the Special Tribunal

According to Главком: Finland has officially become the 21st participating state in the Special Tribunal for the Crime of Aggression against Ukraine, signing an international agreement that establishes a legal framework to hold Russia’s leadership accountable. Organizational preparations for the tribunal’s launch are scheduled to conclude by the end of 2026. This development marks a significant step in efforts to prosecute the architects of the invasion, as the International Criminal Court currently lacks jurisdiction over the crime of aggression in this context.

By endorsing this initiative, Finland joins a coalition of over 40 nations working to define the tribunal’s model and operations. The agreement underscores a collective commitment to pursuing justice beyond existing legal mechanisms.

List of Participating States

The first 20 countries that confirmed their intention to join the tribunal include:

• Austria
• United Kingdom
• Iceland
• Spain
• Estonia
• Costa Rica
• Latvia
• Lithuania
• Luxembourg
• Moldova
• Germany
• Netherlands
• Norway
• Slovenia
• Poland
• Portugal
• France
• Croatia
• Sweden
• Ukraine

Ukrainian Foreign Minister Andrii Sybiha expressed gratitude to Finland, stating:

'I thank Finland for officially notifying its intention to join the Enlarged Partial Agreement of the Special Tribunal.' - Andrii Sybiha

He added, 'Finland has become the 21st state to officially join the Tribunal. We look forward to seeing this number grow further.'

The agreement will be put to a vote in a few weeks in Chisinau, Moldova, during a session of the Council of Europe’s Committee of Ministers. As Sybiha noted, 'All states, not just European ones, are invited. Geography does not matter when it comes to the universal value of respect for international law and the need for justice.'

The Special Tribunal will investigate decisions by Russia’s top political and military leadership regarding the invasion of Ukraine. Its mandate includes ensuring accountability for individuals who hold immunity under other legal proceedings and establishing a legal precedent to deter future acts of aggression worldwide.

Finland’s accession to the Special Tribunal highlights the expanding international backing for Ukraine amid Russian aggression. This move may encourage additional countries to join the initiative, strengthening the legal tools available to prosecute those responsible for war crimes. The tribunal’s creation is also crucial for delivering justice to victims of aggression and shaping global norms that could prevent similar conflicts in the future.

The establishment of the Special Tribunal marks a pivotal moment in international law and accountability for aggression. As Finland joins this initiative, questions arise about the timeline and the first individuals who will face justice. For a deeper understanding of when the tribunal will commence and the potential defendants, explore our detailed analysis on the tribunal's expected proceedings.