Iranian parliament approves joining the chemical weapons treaty

The parties signed a settlement agreement. The dispute moved toward negotiated closure rather than a merits judgment.

The Court recorded discontinuance and removed the case after a joint notification. It did not decide the merits.

The Court rejected the U.S. preliminary objection and accepted jurisdiction over Iran’s claim under Article X(1) of the Treaty of Amity.

A later historical chronology records Iran releasing 724 Iraqi prisoners on 27 December, another step in resolving captivity after the ceasefire.

The U.S. Counter-Memorial included a counterclaim concerning Iranian actions against Gulf shipping.

Iran’s Guardian Council found the legislation for joining the Chemical Weapons Convention compatible with the Constitution and Islamic tenets. The approval completed a constitutional step toward...

Iran deposited its instrument of ratification of the Chemical Weapons Convention. The deposit began the thirty-day interval before the treaty entered into force for Iran.

Iran asked for a hearing concerning admissibility of the counterclaim.

The Chemical Weapons Convention entered into force for Iran, making it a State Party. Iran’s membership connected its wartime chemical weapons experience to the treaty’s prohibition and verification...

The Court admitted the counterclaim for consideration. Admissibility did not establish Iran’s liability.