Section 70: Dominant position and abuse of dominant position in the relevant market

(1) For the purpose of this Act, an undertaking is considered to be in a dominant position if it is able to act without taking account of the reaction of its customers, consumers or competitors.
(2) A dominant position in a relevant market exists where an undertaking enjoys a position of economic strength enabling it to prevent effective competition being maintained on the relevant market and having the power to behave to an appreciable extent independently of its competitors, customers and ultimately consumers.
(3) The Commission shall publish the size of market share that may constitute dominant position in particular markets.