s 134 Commission may publish guidelines
(1) The Commission may publish guidelines which clarify the meaning of “substantial lessening of competition”. (2) The guidelines may include reference to— (a) the relevant economic market; (b) global trends in the relevant market; (c) the impact of the conduct on the number of competitors in a market and their market shares; (d) the impact of the conduct on barriers to entry into the market; (e) the impact of the conduct on the range of services in the market; (f) the impact of the conduct on the cost and profit structures in the market; and (g) any other matters which the Commission is satisfied are relevant.