State immunity — Attachment and execution — Permanent Mission of Uganda to the United Nations — Whether immunity from execution more extensive than immunity from jurisdiction — Judgment against Mission arising out of non-commercial tort claim — Judgment creditor seeking to levy execution against Mission by attachment of bank account — Whether bank account used for expenses of Permanent Mission immune — Duty of United States as host State to the United Nations — United Nations Charter, 1945, Article 102(5) — United Nations-United States Headquarters Agreement, 1947, Article V — Vienna Convention on Diplomatic Relations, 1961, Article 25 — United States Foreign Sovereign Immunities Act, 1976

International organizations — United Nations — Duties of host State — Provision of diplomatic immunity to accredited representatives of Member States — Provision of sufficient facilities to missions of Member States so as to enable them to perform diplomatic functions

Relationship of international law and municipal law — Treaties — Effect in municipal law — Interpretation by municipal courts — Interpretation of treaty provisions by treaty signatories — Whether binding on national courts

Treaties — Interpretation — Ordinary meaning — Interpretation of treaty provision by treaty signatories — Whether binding on national courts

Diplomatic relations — Immunity — Embassy property — Bank account — Whether liable to attachment — The law of the United States