Pub. L. 107-16, tit. V, subtit. H, sec. 571
INCREASE IN NUMBER OF ALLOWABLE PARTNERS AND SHAREHOLDERS IN CLOSELY HELD BUSINESSES.
SEC. 571. INCREASE IN NUMBER OF ALLOWABLE PARTNERS AND SHAREHOLDERS IN CLOSELY HELD BUSINESSES. (a) In General.—Paragraphs (1)(B)(ii), (1)(C)(ii), and (9)(B)(iii)(1) of section 6166(b) (relating to definitions and special rules) are each amended by striking “15” and inserting “45”. (b) Effective Date.—The amendments made by this section shall apply to estates of decedents dying after December 31, 2001.