CORPORATE ESTIMATED TAX PROVISIONS.

SEC. 512. CORPORATE ESTIMATED TAX PROVISIONS. (a) General Rule.—Subsection (d) of section 6655 (relating to amount of required installments) is amended— (1) by striking “90 percent” each place it appears in paragraph (1)(B)(i) and inserting “91 percent”, (2) by striking “90 percent” in the heading of paragraph (2) and inserting “91 percent”, and (3) by striking paragraph (3) and inserting the following new paragraph: “(3) Temporary increase in amount of installment based on current year tax.—In the case of any taxable year beginning after June 30, 1992, and before 1997— “(A) paragraph (1)(B)(i) and subsection (e)(3)(A)(i) shall be applied by substituting ‘97 percent’ for ‘91 percent’ each place it appears, and “(B) the table contained in subsection (e)(2)(B)(ii) shall be applied by substituting ‘24.25’, ‘48.50’, ‘72.75’, and ‘97’ for ‘22.75’, ‘45.50’, ‘68.25’, and ‘91.00’, respectively.” (b) Conforming Amendments.— (1) Clause (ii) of section 6655(e)(2)(B) is amended by striking the table contained therein and inserting the following new table: “In the case of the following required installments: The applicable percentage is: 1st 22.75 2nd 45.50 3rd 68.25 4th 91.00.” (2) Clause (i) of section 6655(E)(3)(A) is amended by striking “90 percent” and inserting “91 percent”. (c) Effective Date.—The amendments made by this section shall apply to taxable years beginning after June 30, 1992.