CAT/OP/3/Rev.2 (b) Members of the Subcommittee shall avoid any action that might give the impression that any given State party is receiving more or less favourable treatment than that accorded to other States parties; (c) Members of the Subcommittee who hold multiple nationalities shall, on their own initiative, inform the Chair of the Subcommittee. 2. No member of the Subcommittee shall participate in the preparation or conduct of a visit or be involved in the consideration of a report arising from a visit concerning a State party under the nationality of which he or she was nominated or elected, or of which he or she is a national. 3. If for any reason a member of the Subcommittee considers that he or she is in a situation involving a real or perceived conflict of interest, he or she shall promptly inform the Chair of the Subcommittee, who shall advise on the real or perceived conflict of interest, taking into account the Addis Ababa guidelines. The Subcommittee shall ultimately, as a whole, take all measures necessary to safeguard the requirements of independence and impartiality of its members. IV. Bureau Rule 16 Composition of the Bureau 1. The Subcommittee shall elect from among its members a Chair and four Vice-Chairs, who shall constitute the Bureau of the Subcommittee. One of the Vice-Chairs shall act as Rapporteur of the Subcommittee. In electing its officers, the Subcommittee shall give consideration to equitable geographical distribution, professional background and appropriate gender balance. 2. Three members of the Bureau shall constitute a quorum. Rule 17 Election of the Bureau 1. Elections to the Bureau shall normally be held on the final day of the first session of the Subcommittee in alternate calendar years. The timetable for the election process shall be agreed by the outgoing Bureau and communicated to the members on the first morning of the session in which an election is to take place. 2. Candidates must give their consent to be nominated, and all candidates must have a nominator and a seconder. A member may nominate and/or second to the same office as many candidates as there are vacancies. 3. The Subcommittee shall first consider whether the election of the Chair, and then the election of the four Vice-Chairs, can be by consensus. 4. If consensus cannot be reached as provided for in paragraph 3 of the present rule, the election of the Bureau shall be conducted by secret ballot in accordance with rules 22 and 23 of the present rules of procedure, and the candidates who secure most votes shall be elected. 5. Members of the Bureau shall be elected for a term of two years and shall be eligible for re-election. Rule 18 Functions of the Bureau 1. The Bureau shall direct the work of the Subcommittee and shall perform all other functions conferred upon it by the present rules of procedure and the decisions of the Subcommittee. In particular, when the Subcommittee is not in session, the Bureau may take decisions on urgent or delegated matters on behalf of the Subcommittee. The members of the Subcommittee shall be consulted on such decisions whenever the Bureau considers it 7