Regulation (EEC) No 517/72 of the Council of 28 February 1972 on the introduction of common rules for regular and special regular services by coach and bus between Member States
Modified by
Council Regulation (EEC) No 3022/77 of 20 December 1977 amending Regulation (EEC) No 517/72 on the introduction of common rules for regular and special regular services by coach and bus between Member States
January 20, 1978 article 20.1 Completion