The development of British competition law. A complete overhaul and harmonization

Article 86 of the EC Treaty

Article 86 prohibits abuse by one or more undertakings of a dominant position where

the abuse may affect trade between Member States.

Articles 65 and 66 of the ECSC Treaty

Articles 65 and 66 of the ECSC Treaty contain broadly parallel provisions save that

Article 66 established merger control for coal and steel Treaty undertakings from the

outset whereas merger control at Community level of other undertakings was not

established until 1989 when the Council adopted the EEC’s Merger Control

Regulation (see further below).