Vienna 1989 43 • select, appoint and replace their personnel in accordance with their respective requirements and standards as well as with any freely accepted arrangement between them and their State, • solicit and receive voluntary financial and other contributions; (16.5) - engage in consultations with religious faiths, institutions and organizations in order to achieve a better understanding of the requirements of religious freedom; (16.6) - respect the right of everyone to give and receive religious education in the language of his choice, whether individually or in association with others; (16.7) - in this context respect, inter alia, the liberty of parents to ensure the religious and moral education of their children in conformity with their own convictions; (16.8) - allow the training of religious personnel in appropriate institutions; (16.9) - respect the right of individual believers and communities of believers to acquire, possess, and use sacred books, religious publications in the language of their choice and other articles and materials related to the practice of religion or belief, (16.10) - allow religious faiths, institutions and organizations to produce, import and disseminate religious publications and materials; (16.11) - favourably consider the interest of religious communities to participate in public dialogue, including through the mass media. (17) The participating States recognize that the exercise of the above-mentioned rights relating to the freedom of religion or belief may be subject only to such limitations as are provided by law and consistent with their obligations under international law and with their international commitments. They will ensure in their laws and regulations and in their application the full and effective exercise of the freedom of thought, conscience, religion or belief. (18) The participating States will exert sustained efforts to implement the provisions of the Final Act and of the Madrid Concluding Document pertaining to national minorities. They will take all the necessary legislative, administrative, judicial and other measures and apply the relevant international instruments by which they may be bound, to ensure the protection of human rights and fundamental freedoms of persons belonging to national minorities within their territory. They will refrain from any discrimination against such persons and will contribute to the realization of their legitimate interests and aspirations in the field of human rights and fundamental freedoms. (19) They will protect and create conditions for the promotion of the ethnic, cultural, linguistic and religious identity of national minorities on their territory. They will respect the free exercise of rights by persons belonging to such minorities and ensure their full equality with others. (20) The participating States win respect fully the right of everyone • to freedom of movement and residence within the borders of each State, and • to leave any country, including his own, and to return to his country. (21) The participating States will ensure that the exercise of the above-mentioned rights will not be subject to any restrictions except those which are provided by law and are consistent with their obligations under international law, in particular the International Covenant