PART IV COMPETITION AND OTHER COMMON RULES

CHAPTER 1 RULES APPLICABLE TO UNDERTAKINGS
Article 56 1. Individual cases falling under Article 53 shall be decided upon by the surveillance authorities in accordance with the following provisions:
(a) individual cases where only trade between EFTA States is affected shall be decided upon by the EFTA Surveillance Authority;
(b) without prejudice to subparagraph (c), the EFTA Surveillance Authority decides, as provided for in the provisions set out in Article 58, Protocol 21 and the rules adopted for its implementation, Protocol 23 and Annex XIV, on cases where the turnover of the undertakings concerned in the territory of the EFTA States equals 33% or more of their turnover in the territory covered by this Agreement;
(c) the EC Commission decides on the other cases as well as on cases under (b) where trade between EC Member States is affected, taking into account the provisions set out in Article 58, Protocol 21, Protocol 23 and Annex XIV.
2. Individual cases falling under Article 54 shall be decided upon by the surveillance authority in the territory of which a dominant position is found to exist. The rules set out in paragraph l(b) and (c) shall apply only if dominance exists within the territories of both surveillance authorities.
3. Individual cases falling under subparagraph (c) of paragraph 1, whose effects on trade between EC Member States or on competition within the Community are not appreciable, shall be decided upon by the EFTA Surveillance Authority.
4. The terms ‘undertaking’ and ‘turnover’ are, for the purposes of this Article, defined in Protocol 22.