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1. At least three months before the date of the election, the Secretary-General of the United Nations shall address a written request to the members of the Permanent Court of Arbitration belonging to the states which are parties to the present Statute, and to the members of the national groups appointed under Article 4, paragraph 2, inviting them to undertake, within a given time, by national groups, the nomination of persons in a position to accept the duties of a member of the Court.
2. No group may nominate more than four persons, not more than two of whom shall be of their own nationality. In no case may the number of candidates nominated by a group be more than double the number of seats to be filled.