Article 4 Contracting entities
1. For the purpose of this Directive contracting entities are entities, which:
(a) are contracting authorities or public undertakings and which pursue one of the activities referred to in Articles 8 to 14;
(b) when they are not contracting authorities or public undertakings, have as one of their activities any of the activities referred to in Articles 8 to 14, or any combination thereof and operate on the basis of special or exclusive rights granted by a competent authority of a Member State.
2. 'Public undertaking' means any undertaking over which the contracting authorities may exercise directly or indirectly a dominant influence by virtue of their ownership of it, their financial participation therein, or the rules which govern it.
A dominant influence on the part of the contracting authorities shall be presumed in any of the following cases in which those authorities, directly or indirectly:
(a) hold the majority of the undertaking's subscribed capital;
(b) control the majority of the votes attaching to shares issued by the undertaking,
(c) can appoint more than half of the undertaking's administrative, management or supervisory body.