How is "control" defined for purposes of Sec. 351(a)?

How is? "control" defined for purposes of Sec.? 351(a)?

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How is? "control" defined for purposes of Sec.? 351(a)?

Control requires the stock owners to own at least? 80% of the common stock of the company. Other classes of stock do not need to meet the? 80% ownership rule.  

Control is when the transferors of a company own at least? 80% of the total combined voting power of the common stock and at least? 50% of the total number of shares of nonvoting stock.

Control is when transferors of a company own at least? 50% of a single class of stock immediately after the exchange. If the stock is nonvoting? stock, the ownership is tested on a? class-by-class basis.

Control requires the transferors as a group to own at least? 80% of the total combined voting power of all classes of stock entitled to vote and at least? 80% of the total number of share of all other classes of stock. The nonvoting stock ownership is tested on a? class-by-class basis.