The Iranian delegation's planned trip to Switzerland has not yet been confirmed, according to a report by Tasnim News Agency on June 18. An informed source indicated that arrangements are still pending, with assessments and consultations ongoing. A decision on the delegation's attendance is expected within hours, with details to follow if confirmed. Meanwhile, Switzerland's Federal Department of Foreign Affairs announced that the United States and Iran are scheduled to begin preliminary negotiations on June 19 in Bürgenstock, Switzerland. The talks will focus on implementing an agreement, with Pakistan, Qatar, and other countries acting as mediators.