Diplomatic protection

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In international law, diplomatic protection (or diplomatic espousal) is a means for a state to take diplomatic and other action against another state on behalf of its national whose rights and interests have been injured by that state. Diplomatic protection, which has been confirmed in different cases of the Permanent Court of International Justice and the International Court of Justice, is a discretionary right of a state and may take any form that is not prohibited by international law. It can include consular action, negotiations with the other state, political and economic pressure, judicial or arbitral proceedings or other forms of peaceful dispute settlement.