b'21. Invites the organizations of the United Nations system, in particular the United Nations Educational, Scientific and Cultural Organization, to continue to provide support, to facilitate financing and to assist countries, upon their request, in developing their national capacities to optimize the contribution of culture to sustainable development, including through policy advice, information-sharing, the exchange of best practices, data collection, research and study and the use of appropriate evaluation indicators, as well as to implement applicable international cultural conventions, taking into account the relevant resolutions of the General Assembly; '