CAT/OP/3/Rev.2 IX. Languages Rule 29 Official and working languages 1. Arabic, Chinese, English, French, Russian and Spanish shall be the official languages of the Subcommittee. Official documents, including visit reports, drafted in an official language shall be translated into the other official languages. 2. English, French and Spanish shall be the working languages of the Subcommittee. A fourth working language, when necessary, shall be used to facilitate communication among members or to interact with a State party in any of the six official languages of the United Nations. The working languages of the Subcommittee may be changed by its decision. X. Confidentiality Rule 30 In camera sessions 1. During its sessions, the Subcommittee shall meet in camera and its deliberations shall remain confidential. 2. The Subcommittee may hear any person whom it considers to be in a position to assist it in the performance of its functions under the Optional Protocol. Persons who participate in such a capacity in meetings of the Subcommittee at its invitation, in consultation with the Secretary-General, shall be bound by strict confidentiality. 3. The Subcommittee may decide on an ad hoc basis that a meeting shall be public. Rule 31 Documents All documentation of, and information concerning the work of, the Subcommittee shall be kept and treated as strictly confidential by the Secretary-General and by the Subcommittee members, unless the Subcommittee decides otherwise in relation to a particular document or matter. XI. Documentation Rule 32 Work of and decisions adopted by the Subcommittee 1. A report containing a summary of the work of and the decisions adopted by the Subcommittee during each session shall be prepared by the Secretary-General, in consultation with the Bureau, a draft of which shall be presented to the Subcommittee for adoption on the last day of that session. 2. The summary records of each session of the Subcommittee shall be made available to its members. Rule 33 Annual report 1. The Subcommittee shall prepare an annual report on its activities which shall be a public document available in all the official languages of the United Nations. 2. The annual report shall be presented to the Committee against Torture, in accordance with article 16 (3) of the Optional Protocol. 11