5. For purposes of this Act, a government enterprise includes:(1) any body or agency other than one mentioned in section 3 or 4, instituted by or in accordance with an Act, or by a decision of the Government, the Conseil du trésor or a minister and at least half of whose members or directors are appointed by the Government or a minister;
(2) any joint-stock company, other than a government agency, of which more than 50% of the voting shares are part of the domain of the State or are owned by a public body, a government agency or a government enterprise.