21.3.3. A person or group of persons deemed not to have acquired control of a corporation at any time after 11 June 2003 because of the application of section 21.3.2, is deemed to have acquired control of that corporation at a later time when, for the first time, no significant shareholder, or significant group of shareholders, of the corporation owns shares of the capital stock of the corporation that give the shareholder or group 50% or more of the votes that could be cast under all circumstances at the annual meeting of shareholders of the corporation.