Council Regulation (EEC) No 2830/77 of 12 December 1977 on the measures necessary to achieve comparability between the accounting systems and annual accounts of railway undertakings
TREATY ESTABLISHING THE EUROPEAN ECONOMIC COMMUNITY, PART TWO - FOUNDATIONS OF THE COMMUNITY, TITLE IV - TRANSPORT, ARTICLE 75
75/327/EEC: Council Decision of 20 May 1975 on the improvement of the situation of railway undertakings and the harmonization of rules governing financial relations between such undertakings and States