Serbian President Aleksandar Vucic announced at the AIPAC Policy Conference in Washington, DC that his country plans on opening a Chamber of Commerce economic office and a diplomatic mission in Jerusalem.

https://www.i24news.tv/en/news/israel/diplomacy-defense/1583098533-serbia-s-vucic-announces-intention-to-open-official-state-office-in-jerusalem

http://www.israelnationalnews.com/News/News.aspx/276670