The allocation of codes is maintained by the United Nations Economic Commission for Europe as the "Distinguishing Signs Used on Vehicles in International Traffic" (sometimes abbreviated to DSIT), authorised by the UN's Geneva Convention on Road Traffic of 1949 and the Vienna Convention on Road Traffic of 1968.
== Примечания ==* UN Economic Commission for Europe, Working Party on Road Transport (WP.11)* Distinguishing Signs used on Vehicles in International Traffic* http://www.unece.org/trans/conventn/Distsigns_Sept2003.pdf