member shall nominate another eligible person possessing the qualifications and meeting the requirements set out in article 5, taking into account the need for a proper balance among the various fields of competence, to serve until the next meeting of the States Parties, subject to the approval of the majority of the States Parties. The approval shall be considered given unless half or more of the States Parties respond negatively within six weeks after having been informed by the Secretary-General of the United Nations of the proposed appointment. Article 9 The members of the Subcommittee on Prevention shall be elected for a term of four years. They shall be eligible for re-election once if renominated. The term of half the members elected at the first election shall expire at the end of two years; immediately after the first election the names of those members shall be chosen by lot by the Chairman of the meeting referred to in article 7, paragraph 1 ( d). Article 10 1. The Subcommittee on Prevention shall elect its officers for a term of two years. They may be re-elected. 2. The Subcommittee on Prevention shall establish its own rules of procedure. These rules shall provide, inter alia, that: (a) Half the members plus one shall constitute a quorum; (b) Decisions of the Subcommittee on Prevention shall be made by a majority vote of the members present; (c) The Subcommittee on Prevention shall meet in camera. 3. The Secretary-General of the United Nations shall convene the initial meeting of the Subcommittee on Prevention. After its initial meeting, the Subcommittee on Prevention shall meet at such times as shall be provided by its rules of procedure. The Subcommittee on Prevention and the Committee against Torture shall hold their sessions simultaneously at least once a year. PART III Mandate of the Subcommittee on Prevention Article 11 1. The Subcommittee on Prevention shall: (a) Visit the places referred to in article 4 and make recommendations to States Parties concerning the protection of persons deprived of their liberty against torture and other cruel, inhuman or degrading treatment or punishment; (b) In regard to the national preventive mechanisms: 92