commiss opinion govern unit kingdom draft regul relat applic council regul eec march relat harmon social provis field road transport eec conform articl regul eec march govern unit kingdom commun commiss letter date septemb draft order entitl quot heavi good vehicl driver licenc amend regul quot quot motor vehicl minimum ag drive amend regul quot order question purpos enabl unit kingdom govern lai nation regul bring year old vocat licens scheme driver heavi good vehicl commiss opinion draft order propos regul design achiev object address propos council accord articl regul eec commiss pronounc favour abovement order brussel commiss carlo scarascia mugnozza vice presid