(iii) protecting the judiciary's freedom of expression and association, subject only to such restrictions as are consistent with its functions; (iv) ensuring that judges are properly qualified, trained and selected on a non-discriminatory basis; (v) guaranteeing tenure and appropriate conditions of service, including on the matter of promotion of judges, where applicable; (vi) respecting conditions of immunity; (vii) ensuring that the disciplining, suspension and removal of judges are determined according to law. (20) For the promotion of the independence of the judiciary, the participating States will (20.1) - recognize the important function national and international associations of judges and lawyers can perform in strengthening respect for the independence of their members and in providing education and training on the role of the judiciary and the legal profession in society; (20.2) - promote and facilitate dialogue, exchanges and co-operation among national associations and other groups interested in ensuring respect for the independence of the judiciary and the protection of lawyers; (20.3) - co-operate among themselves through, inter alia, dialogue, contacts and exchanges in order to identify where problem areas exist concerning the protection of the independence of judges and legal practitioners and to develop ways and means to address and resolve such problems; (20.4) - co-operate on an ongoing basis in such areas as the education and training of judges and legal practitioners, as well as the preparation and enactment of legislation intended to strengthen respect for their independence and the impartial operation of the public judicial service. (23.1) The participating States will ensure that (i) no one will be deprived of his liberty except on such grounds and in accordance with such procedures as are established by law; (ii) anyone who is arrested will be informed promptly in a language which he understands of the reason for his arrest, and will be informed of any charges against him; (iii) any person who has been deprived of his liberty will be promptly informed about his rights according to domestic law; (iv) any person arrested or detained will have the right to be brought promptly before a judge or other officer authorized by law to determine the lawfulness of his arrest or detention, and will be released without delay if it is unlawful; 34