Experts from the following countries and organizations participated in the work: Belgium, Canada; Czech Republic; Denmark; Finland; France; Germany; Hungary; Italy; Japan; Netherlands; Norway; Poland; Republic of South Africa; Russian Federation; Spain; Sweden; Switzerland; United Kingdom; United States of America; Yugoslavia; European Commission (EC); International Touring Alliance/International Automobile Federation (AIT/FIA); International Organization of Motor Vehicle Manufacturers (OICA); International Motorcycle Manufacturers Association (IMMA); Association for Emissions Control by Catalysts (AECC/CEFIC); European Garage Equipment Manufacturers Association (EGEA); Engine Manufacturers Association (EMA).
Des experts des pays et organisations suivants ont participé à ses travaux: Afrique du Sud, Allemagne, Belgique, Canada, Danemark, Espagne, États-Unis d'Amérique, Fédération de Russie, Finlande, France, Hongrie, Italie, Japon, Norvège, Pays-Bas, Pologne, République tchèque, Royaume-Uni, Suède, Suisse, Yougoslavie, Commission européenne (CE), Alliance internationale de tourisme/Fédération internationale de l'automobile (AIT/FIA), Organisation internationale des constructeurs d'automobiles (OICA), Association internationale des constructeurs de motocycles (IMMA), Association for Emissions Control by Catalyst (AECC/CEFIC), European Garage Equipment Manufacturers Association (EGEA) et Engine Manufacturers Association (EMA).