“The Iranian conduct, namely, deploying Islamic Revolutionary Guards Corps personnel in Lebanon under the guise of diplomatic activity, violates the principle of good faith,” the Lebanese UN representative wrote.

Article 10, as noted by the letter, requires states to inform the host country of “the appointment of members of the mission, their arrival, and their final departure or the termination of their functions with the mission.”

Finally, Beirut complained that the IRGC’s March 11 announcement of joint operations with Hezbollah was “highly concerning.” In “Operation Eaten Straw,” Hezbollah planned to launch around 600 rockets and missiles in coordination with Iran at Israeli territory, according to the Institute for National Security Studies.