[Code of Federal Regulations] [Title 26, Volume 13] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 26CFR] [Page 449] TITLE 26--INTERNAL REVENUE CHAPTER I--INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) Procedure and Administration--Table of Contents Sec. 1.6425-2 Computation of adjustment of overpayment of estimated tax. (a) Income tax liability defined. For purposes of Sec. Sec. 1.6425- 1 through 1.6425-3 and 1.6655-5, relating to excessive adjustment, the term ``income tax liability'' means the excess of: (1) The tax imposed by section 11 or 1201(a), or subchapter L of chapter 1 of the Code, whichever is applicable, over (2) The credits against tax provided by part IV of subchapter A of chapter 1 of the code. (b) Computation of adjustment. The amount of an adjustment under section 6425 is an amount equal to the excess of the estimated income tax paid by the corporation during the taxable year over the amount which, at the time of filing Form 4466, the corporation estimates as its income tax liability for the taxable year. [T.D. 7059, 35 FR 14547, Sept. 17, 1970]