517.5.8. A series of transactions that includes the disposition by an individual of eligible shares of a corporation (in this section referred to as the “particular corporation”) may not be considered to be an eligible business transfer of the individual where, in the period that begins 30 days after the disposition of the shares and ends at the end of that series of transactions, the individual or the individual’s spouse controls the particular corporation or a corporation in which the particular corporation had, immediately before the disposition of those shares, a substantial interest or is a member of a group of persons that controls such a corporation, unless the corporation is(a) a corporation carrying on a business substantially all the income of which is not derived from the sale, leasing, rental or development, as the case may be, of properties, or the rendering of services, similar to those of a business that, before the disposition of the shares, was carried on by the purchaser corporation, by the particular corporation or by a corporation in which the purchaser corporation or the particular corporation held a direct or indirect interest; or
(b) a corporation that does not carry on a qualified business.