Upon the sale or exchange of property in transactions, the gain or profit from which is included in gross income as herein defined, the entire amount of the gain or loss determined under section three hundred four of this act shall be recognized, except as hereinafter provided in this section.
The term "a party to a reorganization" includes a corporation resulting from a reorganization and includes both corporations in the case of an acquisition by one corporation of at least a majority of the voting stock and at least a majority of the total number of shares of all other classes of stock of another corporation.
As used in this section, "control" means the ownership of at least eighty per centum of the voting stock and at least eighty per centum of the total number of shares of all other classes of stock of the corporation.
72 P.S. § 3402-305