Madrid 1983 in conformity with those international instruments and on those participating States, which have not yet done so, to consider the possibility of acceding to the covenants. They agree to give favourable consideration to the use of bilateral round-table meetings, held on a voluntary basis, between delegations composed by each participating State to discuss issues of human rights and fundamental freedoms in accordance with an agreed agenda in a spirit of mutual respect with a view to achieving greater understanding and co-operation based on the provisions of the Final Act. They decide to convene a meeting of experts of the participating States on questions concerning respect, in their States, for human rights and fundamental freedoms, in all their aspects, as embodied in the Final Act. (…) Co-operation in the Field of Economics, of Science and Technology and of the Environment (…) In the context of the provisions of the Final Act concerning migrant labour in Europe, the participating States note that recent developments in the world economy have affected the situation of migrant workers. In this connection, the participating States express their wish that host countries and countries of origin, guided by a spirit of mutual interest and co-operation, intensify their contacts with a view to improving further the general situation of migrant workers and their families, inter alia the protection of their human rights including their economic, social and cultural rights while taking particularly into account the special problems of second generation migrants. They will also endeavour to provide or promote, where reasonable demand exists, adequate teaching of the language and culture of the countries of origin. The participating States recommend that, among other measures for facilitating the social and economic reintegration of returning migrant labour, the payment of pensions as acquired or established under the social security system to which such workers have been admitted in the host country should be ensured by appropriate legislative means or reciprocal agreements (…) Co-operation in Humanitarian and other Fields The participating States, Recalling the introductory sections of the Chapter on Co-operation in Humanitarian and other Fields of the Final Act including those concerning the development of mutual understanding between them and detente and those concerning progress in cultural and educational exchanges, broader dissemination of information, contacts between people and the solution of humanitarian problems, 36 OSCE Human Dimension Commitments