- 15 - liability is insufficient to conclude that the estimate was improper. Id. at 906. A taxpayer is treated as having "properly estimated" his tax liability, within the meaning of section 1.6081-4(a)(4), Income Tax Regs., when he makes a bona fide and reasonable estimate of his tax liability based on the information available to him at the time he makes his request for an extension. Crocker v. Commissioner, supra at 908. Petitioners estimated their tax liability to be $5,077 at the time they filed their extension request. Their 1984 Federal income tax return reported an income tax liability in the same amount. Ultimately, after the issuance of the notice of deficiency and disallowance of credits and deductions reported on the 1984 Federal income tax return, petitioners' true income tax liability was determined to be $16,510. Petitioners argue that the Form 4868 was prepared by Lukensow and that they paid the amount of tax they believed to be due for 1984. It is the taxpayer's obligation to supply his accountant with complete and accurate records from which to make a reasonable estimate of tax liability. Estate of Duttenhofer v. Commissioner, 49 T.C. 200, 205 (1967), affd. per curiam 410 F.2d 302 (6th Cir. 1969). Petitioners located, gathered, and supplied all of their 1984 income tax information to Lukensow. In the previous section of this opinion, we held that petitioners were negligent in claiming deductions and investmentPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Next
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