Pub. L. 108-357, tit. VIII, subtit. D, sec. 900
MODIFICATION OF DEFINITION OF CONTROLLED GROUP OF CORPORATIONS.
SEC. 900. MODIFICATION OF DEFINITION OF CONTROLLED GROUP OF CORPORATIONS.(a) In General.—Section 1563(a)(2) (relating to brother-sister controlled group) is amended by striking “possessing—” and all that follows through “(B)” and inserting “possessing”.(b) Application of Existing Rules to Other Code Provisions.—Section 1563(f) (relating to other definitions and rules) is amended by adding at the end the following new paragraph:“(5) Brother-sister controlled group definition for provisions other than this part.—“(A) In general.—Except as specifically provided in an applicable provision, subsection (a)(2) shall be applied to an applicable provision as if it read as follows: “(2) Brother-sister controlled group.—Two or more corporations if 5 or fewer persons who are individuals, estates, or trusts own (within the meaning of subsection (d)(2) stock possessing—“(A) at least 80 percent of the total combined voting power of all classes of stock entitled to vote, or at least 80 percent of the total value of shares of all classes of stock, of each corporation, and“(B) more than 50 percent of the total combined voting power of all classes of stock entitled to vote or more than 50 percent of the total value of shares of all classes of stock of each corporation, taking into account the stock ownership of each such person only to the extent such stock ownership is identical with respect to each such corporation.’“(B) Applicable provision.—For purposes of this paragraph, an applicable provision is any provision of law (other than this part) which incorporates the definition of controlled group of corporations under subsection (a).”.(c) Effective Date.—The amendments made by this section shall apply to taxable years beginning after the date of the enactment of this Act.