The administrative expenditure of the European Coal and Steel Community and the revenue relating thereto, the revenue and expenditure of the European Economic Community, and the revenue and expenditure of the European Atomic Energy Community, with the exception of that of the Supply Agency and the Joint Undertakings, shall be shown in the budget of the European Communities in accordance with the appropriate provisions of the Treaties establishing the three Communities. This budget, which shall be in balance as to revenue and expenditure, shall take the place of the administrative budget of the European Coal and Steel Community, the budget of the European Economic Community and the operating budget and research and investment budget of the European Atomic Energy Community.
