Problems arising from navigation on the Rhine are presented to the CCNR by the national delegations or by international organisations of inland navigation. The plenary session decides either to resolve the matter itself or to refer the problem to a competent committee which, if necessary, works out a solution with the help of experts.
The resolutions are prepared for adoption by the CCNR by competent committees and working groups of experts appointed by the member states. They meet together several times a year.
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