462.18. For the purposes of sections 462.19 and 462.20, “specified person”, with respect to an individual, means(a) a designated person in respect of the individual; or
(b) a corporation, other than a small business corporation, of which a designated person in respect of the individual would have been a specified shareholder, within the meaning of section 21.17, if section 21.18 were read without reference to paragraphs a and d thereof.