-61- Petitioners' 1990 return was received by the Laguna Niguel District Office on October 18, 1991. Petitioners' 1991 return was received by the Laguna Niguel District Office on October 15, 1992. Respondent contends that the extensions of time to file that were obtained by petitioners are invalid because petitioners failed to estimate properly the tax that was unpaid as of the date prescribed for filing the return. No payments were included with the requests for extensions. Petitioners bear the burden of proving that respondent's determination was incorrect. Rule 142(a); Cluck v. Commissioner, 105 T.C. 324, 339 (1995). Petitioners have failed to produce evidence that their extension requests properly estimated the tax due, and we sustain respondent's determination that petitioners are liable for the section 6651(a)(1) addition to tax for 1990 and 1991. Section 6662(a) Penalty For 1990 and 1991, section 6662(a) imposes a penalty in an amount equal to 20 percent of the underpayment of tax attributable to one or more of the items set forth in section 6662(b). Respondent asserts that the entire underpayment of petitioners’ tax was due to negligence or intentional disregard of rules or regulations. Petitioners bear the burden of proving that respondent's determinations are erroneous. Rule 142(a); Bixby v. Commissioner, 58 T.C. 757, 791 (1972).Page: Previous 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Next
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