- 19 - ended January 31, 1995, petitioner had an underpayment with respect to the tax year ended January 31, 1994, that exceeded $100,000. Section 301.6621-3(b)(2)(iii)(B), Proced. & Admin. Regs., plainly provides that section 6621(c) does not apply if, after this Court determines the taxpayer’s liability for a period, the threshold underpayment for the taxable period does not exceed $100,000. The Court had no jurisdiction to make a determination with respect to petitioner’s interest liability because section 7481(c) was triggered only after the decision became final and respondent assessed the deficiency. Pen Coal Corp. v. Commissioner, 107 T.C. 249, 254 (1996). The Court did decide that the deficiency in petitioner’s income tax for the tax year ended January 31, 1994, was $63,573. Respondent assessed this amount after the decision became final. Under the regulations, the Court’s decision and subsequent assessment establish that there was not a threshold underpayment of tax exceeding $100,000 for purposes of section 6621(c). Finally, respondent relies on one sentence in the preamble to the regulations to support his position that the amount of the underpayment should be determined without consideration of any NOL carryback. The entire paragraph containing the sentence provides:Page: Previous 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Next
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