Article 4 of the Act of Mannheim further specifies that the conditions for the transport of freight and persons by vessels not belonging to the Rhine navigation, between a point situated on the Rhine and its tributaries and a point situated in the territory of a third State, shall be laid down in agreements between this third State and the Rhine riparian State concerned.
Article 4 of the Act of Mannheim further specifies that the conditions for the transport of freight and persons by vessels not belonging to the Rhine navigation, between a point situated on the Rhine and its tributaries and a point situated in the territory of a third State, shall be laid down in agreements between this third State and the Rhine riparian State concerned.