(5.16) - in the determination of any criminal charge against him, or of his rights and obligations in a suit at law, everyone will be entitled to a fair and public hearing by a competent, independent and impartial tribunal established by law; (5.20) - considering the important contribution of international instruments in the field of human rights to the rule of law at a national level, the participating States reaffirm that they will consider acceding to the International Covenant on Civil and Political Rights, the International Covenant on Economic, Social and Cultural Rights and other relevant international instruments, if they have not yet done so. (...) (5.21) - in order to supplement domestic remedies and better to ensure that the participating States respect the international obligations they have undertaken, the participating States will consider acceding to the international obligations they have undertaken, the participating States will consider acceding to a regional or global international convention concerning the protection of human rights, such as the European Convention on Human Rights or the Optional Protocol to the International Covenant on Civil and Political Rights, which provide for procedures of individual recourse to international bodies. (7) To ensure that the will of the people serves as the basis of the authority of government, the participating States will (7.6) - respect the right of individuals and groups to establish, in full freedom, their own political parties or other political organizations and provide such political parties and organizations with the necessary legal guarantees to enable them to compete with each other on a basis of equal treatment before the law and by the authorities. [The participating States reaffirm that]: (9.1) - everyone will have the right to freedom of expression including the right to communication. This right will include freedom to hold opinions and to receive and impart information and ideas without interference by public authority and regardless of frontiers. The exercise of this right may be subject only to such restrictions as are prescribed by law and are consistent with international standards. In particular, no limitation will be imposed on access to, and use of, means of reproducing documents of any kind, while respecting, however, rights relating to intellectual property, including copyright; (9.2) - everyone will have the right of peaceful assembly and demonstration. Any restrictions which may be placed on the exercise of these rights will be prescribed by law and consistent with international standards; (9.3) - the right of association will be guaranteed. The right to form and - subject to the general right of a trade union to determine its own membership - freely to join a trade union will be guaranteed. These rights will exclude any prior control. Freedom of association for workers, including the freedom to strike, will be guaranteed, subject to limitations prescribed by law and consistent with international standards; (10) In reaffirming their commitment to ensure effectively the rights of the individual to know and act upon human rights and fundamental freedoms, and to contribute actively, individually or in association with others, to their promotion and protection, the participating States express their commitment to 56