On 28 September 2018, the State of Palestine instituted proceedings against the United States of America before the International Court of Justice, alleging violations of the Vienna Convention on Diplomatic Relations of 18 April 1961 because of the relocation, to the City of Jerusalem, of the United States embassy in Israel.
Cf. https://www.icj-cij.org/files/case-related/176/176-20180928-PRE-01-00-EN.pdf