CONVENTION ON ROAD TRAFFIC
The Contracting Parties, desiring to facilitate international road traffic and to increase road safety through the adoption of uniform traffic rules, have agreed upon the following provisions:
Chapter III
CONDITIONS FOR THE ADMISSION OF MOTOR VEHICLES AND TRAILERS TO INTERNATIONAL TRAFFIC
ARTICLE 38
Identification marks
Every motor vehicle and every trailer in international traffic shall bear the identification marks specified in Annex 4 to this Convention.