commiss opinion june govern franc order relat applic council regul eec march rel harmon social matter field road transport eec conform articl council regul eec march govern franc commun commiss letter march draft order entitl quot draft order deal recognit train road transport driver applic articl council regul eec march relat harmon social provis field road transport quot order question purpos enabl govern franc lai pend direct council propos commiss nation regul obtain diploma employ driver good vehicl metric ton weight recogn certif profession compet year ag certif adult train commiss opinion draft order propos regul design achiev object similar address propos council commiss pronounc favour abovement ministeri order brussel june commiss presid françoi xavier ortoli