Council Decision (EU) 2020/790 of 9 June 2020 on the position to be taken on behalf of the European Union within the Joint Committee and the Subcommittee on Trade and Investment established by the Framework Agreement on Partnership and Cooperation between the European Union and its Member States, of the one part, and Mongolia, of the other part, as regards the adoption of decisions on the rules of procedure of the Joint Committee and the rules of procedure of the Subcommittee on Trade and Investment