134.   (1)   The Commission may publish guidelines which clarify the meaning of "substantial lessening of competition"   

           (2)   The guidelines may include reference to ----

                  (a)   a 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 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.

135.   A licensee shall not enter into any understanding, agreement or arrangement, whether legally enforceable or not, which provides for -----       

                  (a)   rate fixing;

                  (b)   market sharing;

                  (c)   boycott of a supplier of apparatus; or

                  (d)   boycott of another competitor.

136.   A licensee shall not, at any time or in any circumstances, make it a condition for the provision or supply of a product or service in a communications market that the person acquiring such product or service in the communications market is also required to acquire or not to acquire any other product or service either from himself or from another person.

137.   The Commission may determine that a licensee is in a dominant position in a communications market.

Prohibition on entering into collusive agreements.

Prohibition on tying or linking arrangements.

Determination of dominant licensee.