Pub. L. 108-357, tit. IV, sec. 410
EQUAL TREATMENT OF INTEREST PAID BY FOREIGN PARTNERSHIPS AND FOREIGN CORPORATIONS.
SEC. 410. EQUAL TREATMENT OF INTEREST PAID BY FOREIGN PARTNERSHIPS AND FOREIGN CORPORATIONS.(a) In General.—Paragraph (1) of section 861(a) is amended by striking “and” at the end of subparagraph (A), by striking the period at the end of subparagraph (B) and inserting “, and”, and by adding at the end the following new subparagraph:“(C) in the case of a foreign partnership, which is predominantly engaged in the active conduct of a trade or business outside the United States, any interest not paid by a trade or business engaged in by the partnership in the United States and not allocable to income which is effectively connected (or treated as effectively connected) with the conduct of a trade or business in the United States.”.(b) Effective Date.—The amendments made by this section shall apply to taxable years beginning after December 31, 2003.