<Dd> (a) impose on the undertakings concerned restrictions which are not indispensable to the attainment of these objectives; </Dd> <Dd> (b) afford such undertakings the possibility of eliminating competition in respect of a substantial part of the products in question . </Dd> <P> Businesses ("undertakings") infringing the provisions of Article 101 are liable to a fine of up to 10% of its worldwide annual turnover by the European Commission, but the EU has no capability to impose prison sentences . Member States should not intervene here, as the Commission and the ECJ have the sole authority over EU competition law . However, Member States usually have their own domestic competition law which they may enforce, provided it is not contrary to EU law . The role of the Commission is the area is quasi-judicial and subject to appeal to the ECJ . </P> <P> Conventional wisdom declares that the aim of domestic competition law (such as that of the UK) is to provide a remedy to litigants whose interests are damaged by the anti-competitive behaviour of others, whereas the EU takes a broader view and has the goal of maintaining transparent markets and a "level playing field". Thus, the main objectives of the EU competition law are to maintain openness and to unify the internal market; to ensure economic efficiency in the marketplace; to ensure the conditions of effective competition and competitiveness; and to protect consumers . </P>

Articles 101 and 102 of the treaty on the functioning of the european union (tfeu)