"Public undertakings" means any undertaking over which the public 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 public authorities shall be presumed when these authorities, directly or indirectly, in relation to an undertaking:
i. hold the majority of the undertaking's subscribed capital;
ii. control the majority of the votes attaching to shares issued by the undertaking; or
iii. can appoint more than half of the members of the undertaking's administrative, managerial or supervisory body.