Helsinki 1992 123 (13) Implementation meetings will be organized to meet in formal and informal sessions. All formal sessions will be open. In addition, the participating States may decide, on a case-bycase basis, to open informal sessions. (14) The Council of Europe, the European Commission for Democracy through Law and the European Bank for Reconstruction and Development (EBRD), as well as other relevant international organizations and institutions will be encouraged by the implementation meeting to attend and make contributions. (15) Non-governmental organizations having relevant experience in the field of the Human Dimension are invited to make written presentations to the implementation meeting, e.g. through the ODIHR, and may be invited by the implementation meeting, on the basis of their written presentations, to address specific questions orally as appropriate. (16) During two half days in the course of the implementation meeting no formal session will be scheduled in order to provide better opportunities for possible contacts with NGOs. To this purpose, a hall at the meeting site will be placed at the disposal of NGOs. CSCE Human Dimension seminars (17) Under the general guidance of the CSO, the ODIHR will organize CSCE Human Dimension seminars which will address specific questions of particular relevance to the Human Dimension and of current political concern. The CSO will establish an annual work programme including the titles and dates of such seminars. The agenda and modalities of each seminar will be approved by the CSO at the latest three months before the seminar. In doing so, the CSO will take into account views expressed by the ODIHR. Unless otherwise decided, seminars will be held at the seat of the ODIHR and will not exceed one week. The work programme will take into account work by relevant international organizations and institutions. (18) These seminars will be organized in an open and flexible manner. Relevant international organizations and institutions may be invited to attend and to make contributions. So may NGOs with relevant experience. Independent experts attending the seminar as members of national delegations will also be free to speak in their own capacity. (19) CSCE seminars will be organized to meet in formal and informal sessions. All formal sessions will be open. In addition, the participating States may decide, on a case-by-case basis, to open informal sessions. (20) CSCE seminars will not produce a negotiated document or follow-up programmes. (21) Contributions by independent experts will be of a non-restricted character. (…)