(2) RID ajourføres hvert andet år, og en ændret udgave heraf vil derfor træde i kraft den 1. juli 2001 med en overgangsperiode frem til 31. december 2002, dog således, at overgangsperioden for farligt gods i klasse 7 (radioaktive stoffer) udløber den 31. december 2001.
(2) The RID is updated every two years and therefore an amended version will be in force as from 1 July 2001 with a transitory period until 31 December 2002, except of dangerous goods of class 7 (radioactive material), for which the transitory period will end on 31 December 2001.