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Immunity from the legal process of the experts on mission of
the United Nations is a part of the organization's immunities that, for purpose of safeguarding of the organization's independence,
immunes the experts from differet kinds of legal process of mission states national courts.
According to this immunity, national courts of a state in which claims have been advanced against the experts have duty, in limine-litis and before interancing the merits of the cases, to
decide on the experts immunity, whereas the Secretary General of

the U.N., as chief administrative officer of the organization,

has exclusive competance for determining the experts

enjoyment of the immunity from legal process and his

decision is binding for the mentioned courts.
The above rules have been extracted from the Mazilu (1989) and Cumaraswamy (1999) advisory cases, that in the light of the convention on the privilages and immunities of the U.N and the United Nations parctice, have been rendered by International Court of Justice. Therefore, for the purposes of this article, description of those cases is of crucial importance.