This market will resolve to "Yes" if the Islamic Republic of Iran formally notifies the United Nations of its decision to withdraw from the Nuclear Non-Proliferation Treaty (NPT), pursuant to Article X of the treaty by December 31, 2026 at 11:59 PM ET. Otherwise, this market will resolve to "No." To qualify, the Iranian government must issue an official written notice that explicitly states its intention to withdraw under Article X of the NPT. The resolution sources for this market will be a consensus of credible reporting.