(1) Subject to the provisions of this section, all agreements between undertakings, decisions by associations of undertakings and concerted practices which have as their object or effect the prevention, restriction or distortion of competition in trade in any goods or services in the State or in any part of the State are prohibited and void, including in particular, without prejudice to the generality of this subsection, those which -
(a) directly or indirectly fix purchase or selling prices or any other trading conditions,
(b) limit or control production, markets, technical development or investment,
(c) share markets or sources of supply,
(d) apply dissimilar conditions to equivalent transactions with other trading parties thereby placing them at a competitive disadvantage,
(e) make the conclusion of contracts subject to acceptance by the other parties of supplementary obligations which by their nature or according to commercial usage have no connection with the subject of such contr
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