- 8 - proceeding.” S. Rept. 94-938, at 365 (1976), 1976-3 C.B. (Vol. 3) 57, 403. III. Deductions Respondent determined that ZMDI claimed deductions for expenses in 1991 through 1994 that exceeded its payments. Petitioners failed to present evidence establishing its entitlement to these deductions. See Welch v. Helvering, supra at 115. Accordingly, respondent’s determination is sustained. IV. Fraud Penalty Respondent determined that petitioners were liable, pursuant to section 6663(a), for fraud penalties. Respondent must establish by clear and convincing evidence that for each year in issue an underpayment of tax exists and some portion of the underpayment is due to fraud. See Petzoldt v. Commissioner, 92 T.C. 661, 699 (1989). After respondent has established that any portion of the underpayment is due to fraud, the entire underpayment is treated as attributable to fraud, unless petitioner establishes that any portion is not attributable to fraud. See sec. 6663(b). Fraud is established by proof of intent to evade tax believed to be owing. See Clayton v. Commissioner, 102 T.C. 632 (1994). Respondent may prove intent to evade tax by circumstantial evidence, see Davis v. Commissioner, T.C. Memo. 1991-603, which may include substantial understatement of income,Page: Previous 1 2 3 4 5 6 7 8 9 10 Next
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