La Communauté avait auparavant, en 1977, conclu l'ancienne Convention relative à la protection du Rhin contre la pollution chimique et l'Accord signé à Berne le 29 avril 1963 concernant la Commission internationale pour la protection du Rhin contre la pollution.
The Community had previously in 1977 concluded the former Convention for the Protection of the Rhine against Chemical Pollution and the Agreement concerning the International Commission for the Protection of the Rhine against Pollution signed in Berne on 29 April 1963.