Why EU Iran Snapback Sanctions Demand Tighter Diplomatic Oversight
The recent activation of the EU Iran snapback sanctions mechanism represents a decisive turning point. For years, European institutions operated under the assumption that diplomatic engagement could moderate Tehran’s behavior. However, with the re-imposition of UN sanctions in late September 2025 and the subsequent legal designation of the Islamic Revolutionary Guard Corps (IRGC) as a terrorist entity, Europe has acknowledged a harsh reality: the activities linked to Iranian diplomatic missions require unprecedented scrutiny. Why is Europe imposing snapback sanctions on Iran? The decision to trigger the snapback mechanism stems from multiple violations of the JCPOA’s terms and a surge in extraterritorial violence. According to the International Institute for Iranian Studies (Rasanah), Iran’s diplomatic efforts failed to revive the nuclear agreement, leading the E3 to act . Beyond nuclear escalations, European leaders reacted to Iran’s material support for Russia’s war in Ukraine. As no...