517.5.0.1. For the purposes of section 517.5,(a) a group of persons in respect of a corporation means any two or more persons each of whom owns shares of the capital stock of the corporation;
(b) a corporation that is controlled by one or more members of a particular group of persons in respect of that corporation is deemed to be controlled by that group of persons; and
(c) a corporation may be controlled by a person or a particular group of persons notwithstanding that the corporation is also controlled or deemed to be controlled by another person or group of persons.