THE NELSON MANDELA RULES 17 (b) His or her rights, including authorized methods of seeking information, access to legal advice, including through legal aid schemes, and procedures for making requests or complaints; (c) His or her obligations, including applicable disciplinary sanctions; and (d) All other matters necessary to enable the prisoner to adapt himself or herself to the life of the prison. Rule 55 1. The information referred to in rule 54 shall be available in the most commonly used languages in accordance with the needs of the prison population. If a prisoner does not understand any of those languages, interpretation assistance should be provided. 2. If a prisoner is illiterate, the information shall be conveyed to him or her orally. Prisoners with sensory disabilities should be provided with information in a manner appropriate to their needs. 3. The prison administration shall prominently display summaries of the information in common areas of the prison. Rule 56 1. Every prisoner shall have the opportunity each day to make requests or complaints to the prison director or the prison staff member authorized to represent him or her. 2. It shall be possible to make requests or complaints to the inspector of prisons during his or her inspections. The prisoner shall have the opportunity to talk to the inspector or any other inspecting officer freely and in full confidentiality, without the director or other members of the staff being present. 3. Every prisoner shall be allowed to make a request or complaint regarding his or her treatment, without censorship as to substance, to the central prison administration and to the judicial or other competent authorities, including those vested with reviewing or remedial power. 4. The rights under paragraphs 1 to 3 of this rule shall extend to the legal adviser of the prisoner. In those cases where neither the prisoner nor his or her legal adviser has the possibility of exercising such rights, a member of the prisoner’s family or any other person who has knowledge of the case may do so. Rule 57 1. Every request or complaint shall be promptly dealt with and replied to without delay. If the request or complaint is rejected, or in the event of undue