(a) Imposition of tax

There is hereby imposed on any person who receives greenmail a tax equal to 50 percent of gain or other income of such person by reason of such receipt.

(b) Greenmail

For purposes of this section, the term “greenmail” means any consideration transferred by a corporation (or any person acting in concert with such corporation) to directly or indirectly acquire stock of such corporation from any shareholder if—

(1) such shareholder held such stock (as determined under section 1223) for less than 2 years before entering into the agreement to make the transfer,

(2) at some time during the 2-year period ending on the date of such acquisition—

(A) such shareholder,

(B) any person acting in concert with such shareholder, or

made or threatened to make a public tender offer for stock of such corporation, and

(3) such acquisition is pursuant to an offer which was not made on the same terms to all shareholders.

For purposes of the preceding sentence, payments made in connection with, or in transactions related to, an acquisition shall be treated as paid in such acquisition.

For purposes of this section—

(1) Public tender offer

The term “public tender offer” means any offer to purchase or otherwise acquire stock or assets in a corporation if such offer was or would be required to be filed or registered with any Federal or State agency regulating securities.

(2) Related person

A person is related to another person if the relationship between such persons would result in the disallowance of losses under section 267 or 707(b).

(d) Tax applies whether or not amount recognized

The tax imposed by this section shall apply whether or not the gain or other income referred to in subsection (a) is recognized.

(e) Administrative provisions

For purposes of the deficiency procedures of subtitle F, any tax imposed by this section shall be treated as a tax imposed by subtitle A.