21.2.2.1. Subject to section 21.3, where, at a particular time, as part of a series of transactions or events, two or more persons acquire shares of a corporation (in this section referred to as the “acquiring corporation”) in exchange for or upon a redemption or surrender of interests in, or as a consequence of a distribution from, a partnership or trust, control of the acquiring corporation and of each corporation controlled by it immediately before the particular time is deemed to have been acquired by a person or group of persons at the particular time, except in the following cases:(a) in relation to each of those corporations, a person affiliated with the partnership or trust owns immediately before the particular time shares of the corporation having a total fair market value of more than 50% of the fair market value of all the issued and outstanding shares of the corporation immediately before the particular time;
(b) if all the securities, within the meaning of the first paragraph of section 1129.70, of the acquiring corporation that were acquired as part of the series of transactions or events at or before the particular time were acquired by one person, the person would not at the particular time control the acquiring corporation and would have at the particular time acquired securities of the acquiring corporation having a fair market value of not more than 50% of the fair market value of all the issued and outstanding shares of the acquiring corporation; and
(c) section 21.2.2 applies, or section 21.2.2 or this section previously applied, to deem an acquisition of control of the acquiring corporation upon an acquisition of shares that was part of the same series of transactions or events.