- 5 - mathematical errors into his calculation of petitioners’ AMT liability. Therefore, we find that the inclusion of this adjustment in the AMT calculation has already benefited petitioners and cannot reduce respondent’s AMT calculation. With respect to the remaining $878.08 in dispute, respondent argues that it was due to an addition to tax for failure to pay estimated income tax pursuant to section 6654, and should not be part of the calculation of petitioners’ AMT liability.8 As we mentioned, the AMT is a tax equal to the excess of the “tentative minimum tax” for the taxable year over the “regular tax” for the taxable year. Sec. 55(a). Generally, the term “regular tax liability” means the tax imposed by chapter 1 of the Internal Revenue Code for the taxable year. Sec. 26(b)(1). Section 6654(a) provides an addition to tax for failure to pay estimated income taxes. Section 6654 lies in chapter 68 of the Internal Revenue Code and thus is not part of a taxpayer’s regular tax liability. Accordingly, if petitioners’ refund reduction is 8 Respondent argues that because the addition to tax was based solely on petitioners’ return, and not as a part of the notice of deficiency, this Court lacks jurisdiction over it. It is true that we do not have jurisdiction to review respondent’s assessment of an addition to tax for failure to pay estimated income tax that is based on a filed return. See sec. 6665; see also secs. 6211, 6212, and 6213; Meyer v. Commissioner, 97 T.C. 555, 560 (1991). However, our lack of jurisdiction to review the addition to tax does not prohibit us from determining whether the addition to tax should be included in the calculation of petitioners’ AMT liability as determined in respondent’s notice of deficiency. See sec. 6214(a).Page: Previous 1 2 3 4 5 6 7 NextLast modified: November 10, 2007