Pub. L. 100-647, tit. V, subtit. A, sec. 5001
CORPORATE ESTIMATED TAX PAYMENTS.
SEC. 5001. CORPORATE ESTIMATED TAX PAYMENTS. (a) General Rule.— Paragraph (1) of section 6655(e) of the 1986 Code (relating to annualization) is amended by striking out the last sentence. (b) Effective Date.— The amendment made by subsection (a) shall apply to installments required to be made after December 31, 1988.